Using DAX to return the Nth highest or lowest value

Hello I have posted this on Mr Excel, but as yet have not had a successful answer;

I want to get the Nth largest of smallest value using DAX , so in EXCEL you'd use LARGE or SMALL.

HTML Code: 

the suggestion I had was to use TOPN and MIN or MAX, so to return the 3rd hight value

TOPN(3 , Table, Table[ Column Numbers ] )

to return a table containing the top 3 values. then wrap in MIN to get the lowest , 3rd.
I've tried variuos options none of which has worked,

  MIN(    TOPN(3 ,  Table, Table[  Column Numbers ] )  )

MIN(    TOPN(3 ,  Table, Table[  Column Numbers ] ) , Table[Numbers]  )

etc.

Does anyone have any suggestions?

Richard.