Finding the Third Proportional to 39,646.97 and 85,057.59

Step by Step Solution

1. Step 1: Write the proportion equation
   39,646.97 : 85,057.59 = 85,057.59 : x
2. Step 2: Convert to fraction form
   39,646.97/85,057.59 = 85,057.59/x
3. Step 3: Cross multiply
   39,646.97x = 85,057.59 × 85,057.59
4. Step 4: Simplify right side
   39,646.97x = 7,234,794,254.54
5. Step 5: Solve for x
   x = 7,234,794,254.54/39,646.97
6. Step 6: Final answer
   x = 182,480.39