Finding the Third Proportional to 71,839.25 and 156,113.31

Step by Step Solution

1. Step 1: Write the proportion equation
   71,839.25 : 156,113.31 = 156,113.31 : x
2. Step 2: Convert to fraction form
   71,839.25/156,113.31 = 156,113.31/x
3. Step 3: Cross multiply
   71,839.25x = 156,113.31 × 156,113.31
4. Step 4: Simplify right side
   71,839.25x = 24,371,366,339.72
5. Step 5: Solve for x
   x = 24,371,366,339.72/71,839.25
6. Step 6: Final answer
   x = 339,248.62