By Larry Fine
After blasting a service winner to end the match with a love game, the 24-year-old Spaniard leapt up and punched the air.
"To me it's a dream. I'm going to play for the first time in the final here in the biggest center court in the world," Nadal told the Arthur Ashe Stadium crowd.
"I have tried my best for a lot of years. So now after a lot of work I am here and I'm happy for that."
The world number one was not to be denied on a sunny day at the National Tennis Center, dominating the 12th-seeded Youzhny in all facets by belting 23 winners and committing just 19 unforced errors.
MOMENT OF CONCERN
Nadal sailed through the first set facing just one break point and allowed only three points against serve in the second despite a moment of concern.
During the changeover at 3-2 he had his left foot retaped and a bandage placed to ease discomfort from a blister.
The left-hander showed no sign of ill effects and broke Youzhny in the eighth game before serving out the set.
"Maybe he was a little bit more tired than me, he played longer matches than me, maybe that's why," said Nadal, who swept into the final without the loss of a set.
Said Youzhny, who reached the semi-finals with a five-set win over Swiss Stanislas Wawrinka after a pair of four-set battles: "I cannot say I'm really tired, but I was not fast enough today.
(Editing by Frank Pingue)