Finding the Third Proportional to 72,978.47 and 157,951.41

Step by Step Solution

1. Step 1: Write the proportion equation
   72,978.47 : 157,951.41 = 157,951.41 : x
2. Step 2: Convert to fraction form
   72,978.47/157,951.41 = 157,951.41/x
3. Step 3: Cross multiply
   72,978.47x = 157,951.41 × 157,951.41
4. Step 4: Simplify right side
   72,978.47x = 24,948,646,736.35
5. Step 5: Solve for x
   x = 24,948,646,736.35/72,978.47
6. Step 6: Final answer
   x = 341,863.12