Finding the Third Proportional to 52,707.50 and 81,524.75

Step by Step Solution

1. Step 1: Write the proportion equation
   52,707.50 : 81,524.75 = 81,524.75 : x
2. Step 2: Convert to fraction form
   52,707.50/81,524.75 = 81,524.75/x
3. Step 3: Cross multiply
   52,707.50x = 81,524.75 × 81,524.75
4. Step 4: Simplify right side
   52,707.50x = 6,646,284,862.56
5. Step 5: Solve for x
   x = 6,646,284,862.56/52,707.50
6. Step 6: Final answer
   x = 126,097.52