Finding the Third Proportional to 71,521.31 and 152,539.88

Step by Step Solution

1. Step 1: Write the proportion equation
   71,521.31 : 152,539.88 = 152,539.88 : x
2. Step 2: Convert to fraction form
   71,521.31/152,539.88 = 152,539.88/x
3. Step 3: Cross multiply
   71,521.31x = 152,539.88 × 152,539.88
4. Step 4: Simplify right side
   71,521.31x = 23,268,413,465.02
5. Step 5: Solve for x
   x = 23,268,413,465.02/71,521.31
6. Step 6: Final answer
   x = 325,335.38