Finding the Third Proportional to 39,612.38 and 82,488.38

Step by Step Solution

1. Step 1: Write the proportion equation
   39,612.38 : 82,488.38 = 82,488.38 : x
2. Step 2: Convert to fraction form
   39,612.38/82,488.38 = 82,488.38/x
3. Step 3: Cross multiply
   39,612.38x = 82,488.38 × 82,488.38
4. Step 4: Simplify right side
   39,612.38x = 6,804,332,010.14
5. Step 5: Solve for x
   x = 6,804,332,010.14/39,612.38
6. Step 6: Final answer
   x = 171,772.89