Finding the Third Proportional to 39,606.38 and 82,489.88

Step by Step Solution

1. Step 1: Write the proportion equation
   39,606.38 : 82,489.88 = 82,489.88 : x
2. Step 2: Convert to fraction form
   39,606.38/82,489.88 = 82,489.88/x
3. Step 3: Cross multiply
   39,606.38x = 82,489.88 × 82,489.88
4. Step 4: Simplify right side
   39,606.38x = 6,804,579,477.52
5. Step 5: Solve for x
   x = 6,804,579,477.52/39,606.38
6. Step 6: Final answer
   x = 171,805.16