Finding the Third Proportional to 72,445.50 and 156,948.75

Step by Step Solution

1. Step 1: Write the proportion equation
   72,445.50 : 156,948.75 = 156,948.75 : x
2. Step 2: Convert to fraction form
   72,445.50/156,948.75 = 156,948.75/x
3. Step 3: Cross multiply
   72,445.50x = 156,948.75 × 156,948.75
4. Step 4: Simplify right side
   72,445.50x = 24,632,910,126.56
5. Step 5: Solve for x
   x = 24,632,910,126.56/72,445.50
6. Step 6: Final answer
   x = 340,019.88