Finding the Third Proportional to 71,399.50 and 156,812.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,399.50 : 156,812.50 = 156,812.50 : x
2. Step 2: Convert to fraction form
   71,399.50/156,812.50 = 156,812.50/x
3. Step 3: Cross multiply
   71,399.50x = 156,812.50 × 156,812.50
4. Step 4: Simplify right side
   71,399.50x = 24,590,160,156.25
5. Step 5: Solve for x
   x = 24,590,160,156.25/71,399.50
6. Step 6: Final answer
   x = 344,402.41