Finding the Third Proportional to 71,356.88 and 156,838.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,356.88 : 156,838.50 = 156,838.50 : x
2. Step 2: Convert to fraction form
   71,356.88/156,838.50 = 156,838.50/x
3. Step 3: Cross multiply
   71,356.88x = 156,838.50 × 156,838.50
4. Step 4: Simplify right side
   71,356.88x = 24,598,315,082.25
5. Step 5: Solve for x
   x = 24,598,315,082.25/71,356.88
6. Step 6: Final answer
   x = 344,722.43