Finding the Third Proportional to 52,250.50 and 80,931.75

Step by Step Solution

1. Step 1: Write the proportion equation
   52,250.50 : 80,931.75 = 80,931.75 : x
2. Step 2: Convert to fraction form
   52,250.50/80,931.75 = 80,931.75/x
3. Step 3: Cross multiply
   52,250.50x = 80,931.75 × 80,931.75
4. Step 4: Simplify right side
   52,250.50x = 6,549,948,158.06
5. Step 5: Solve for x
   x = 6,549,948,158.06/52,250.50
6. Step 6: Final answer
   x = 125,356.66