Finding the Third Proportional to 72,978.38 and 157,951.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,978.38 : 157,951.50 = 157,951.50 : x
2. Step 2: Convert to fraction form
   72,978.38/157,951.50 = 157,951.50/x
3. Step 3: Cross multiply
   72,978.38x = 157,951.50 × 157,951.50
4. Step 4: Simplify right side
   72,978.38x = 24,948,676,352.25
5. Step 5: Solve for x
   x = 24,948,676,352.25/72,978.38
6. Step 6: Final answer
   x = 341,863.96