Finding the Third Proportional to 39,665.25 and 86,565.38

Step by Step Solution

1. Step 1: Write the proportion equation
   39,665.25 : 86,565.38 = 86,565.38 : x
2. Step 2: Convert to fraction form
   39,665.25/86,565.38 = 86,565.38/x
3. Step 3: Cross multiply
   39,665.25x = 86,565.38 × 86,565.38
4. Step 4: Simplify right side
   39,665.25x = 7,493,564,148.89
5. Step 5: Solve for x
   x = 7,493,564,148.89/39,665.25
6. Step 6: Final answer
   x = 188,920.13