Finding the Third Proportional to 39,658.50 and 61,665.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,658.50 : 61,665.75 = 61,665.75 : x
2. Step 2: Convert to fraction form
   39,658.50/61,665.75 = 61,665.75/x
3. Step 3: Cross multiply
   39,658.50x = 61,665.75 × 61,665.75
4. Step 4: Simplify right side
   39,658.50x = 3,802,664,723.06
5. Step 5: Solve for x
   x = 3,802,664,723.06/39,658.50
6. Step 6: Final answer
   x = 95,885.24