How to find third or nᵗʰ maximum salary from salary table?

Question

How to find third or n^th maximum salary from salary table(EmpID, EmpName, EmpSalary) in optimized way?

Answer 1

declare @maxNthSal as nvarchar(20)
SELECT TOP 3 @maxNthSal=GRN_NAME FROM GRN_HDR   ORDER BY GRN_NAME DESC
print @maxNthSal