Finding the Third Proportional to 156,657 and 234,397.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,657 : 234,397.50 = 234,397.50 : x
2. Step 2: Convert to fraction form
   156,657/234,397.50 = 234,397.50/x
3. Step 3: Cross multiply
   156,657x = 234,397.50 × 234,397.50
4. Step 4: Simplify right side
   156,657x = 54,942,188,006.25
5. Step 5: Solve for x
   x = 54,942,188,006.25/156,657
6. Step 6: Final answer
   x = 350,716.46