Assume the PV=100, FV=150, yearly IR=X, number of period = 60 (5 years of interest and compounding is monthly basis)
FV = PV * (1 + X / 12)^60
How can I calculate X easily?
Technically I can use
root(N) is the 60th root of N. But is there any existing function I can use such as PV and FV?