Finding the Third Proportional to 39,320.50 and 62,542.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,320.50 : 62,542.75 = 62,542.75 : x
2. Step 2: Convert to fraction form
   39,320.50/62,542.75 = 62,542.75/x
3. Step 3: Cross multiply
   39,320.50x = 62,542.75 × 62,542.75
4. Step 4: Simplify right side
   39,320.50x = 3,911,595,577.56
5. Step 5: Solve for x
   x = 3,911,595,577.56/39,320.50
6. Step 6: Final answer
   x = 99,479.80