I have 2 sheets. They both contain a list of Account Numbers. What I want to
do is to have a 3rd sheet created containing only those account numbers that
are found in both Sheet 1 and Sheet 2.

For example:

Sheet 1
Account Numbers
AAAAA
BBBBB
CCCCC
DDDDD
EEEEE
FFFFFF
9999999
GGGGGG
HHHHHH
IIIIIII
JJJJJJ
KKKKKK
LLLLLLL
333333
444444


Sheet 2
Account Numbers
1111111
KKKKKKK
222222
EEEEEEE
999999
XXXXXXX
TTTTTTTT
AAAAAA
FFFFFFFF

Sheet 3
AAAAAAA
EEEEEEEE
FFFFFFF
9999999
KKKKKKKK