Finding the Third Proportional to 81,732.38 and 123,069.38

Step by Step Solution

1. Step 1: Write the proportion equation
   81,732.38 : 123,069.38 = 123,069.38 : x
2. Step 2: Convert to fraction form
   81,732.38/123,069.38 = 123,069.38/x
3. Step 3: Cross multiply
   81,732.38x = 123,069.38 × 123,069.38
4. Step 4: Simplify right side
   81,732.38x = 15,146,071,062.89
5. Step 5: Solve for x
   x = 15,146,071,062.89/81,732.38
6. Step 6: Final answer
   x = 185,312.99