Finding the Third Proportional to 39,020.25 and 82,899.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,020.25 : 82,899.75 = 82,899.75 : x
2. Step 2: Convert to fraction form
   39,020.25/82,899.75 = 82,899.75/x
3. Step 3: Cross multiply
   39,020.25x = 82,899.75 × 82,899.75
4. Step 4: Simplify right side
   39,020.25x = 6,872,368,550.06
5. Step 5: Solve for x
   x = 6,872,368,550.06/39,020.25
6. Step 6: Final answer
   x = 176,123.13