Dimensional analysis problem

kate weighs 2,789.44 ounces. how many mega-grams does she weigh?

please explain how you got your answer.
the answer i got is 7.908 and im not sure if it's right.

2,789.44 ounces ( 1 pound / 16 ounces) = 174.34 pounds

174.34 pounds ( 453.6 grams / pound) = 79080.6 grams

79080.6 grams ( 1 Mega gram / 1,000,000 grams) = 0.07908 mega grams

answers can be checked at http://www.onlineconversion.com/
it gives 2 789.44 ounce = 0.079079 megagram