Finding the Third Proportional to 72,889.50 and 156,957

Step by Step Solution

1. Step 1: Write the proportion equation
   72,889.50 : 156,957 = 156,957 : x
2. Step 2: Convert to fraction form
   72,889.50/156,957 = 156,957/x
3. Step 3: Cross multiply
   72,889.50x = 156,957 × 156,957
4. Step 4: Simplify right side
   72,889.50x = 24,635,499,849
5. Step 5: Solve for x
   x = 24,635,499,849/72,889.50
6. Step 6: Final answer
   x = 337,984.21