You can put this solution on YOUR website! log P = 1/2 (log K + 3 log R)
log P = 1/2 (log K + log R^3)
log P = 1/2 (log KR^3)
log P = log (KR^3)^1/2
P = (KR^3)^1/2 by removing logarithms on both sides
P^2 = KR^3 Squaring on both sides
I used the formulas log a + log b = log ab, log x^y = y log x
Hope you understand?