Finding the Third Proportional to 81,371.25 and 123,204.38

Step by Step Solution

1. Step 1: Write the proportion equation
   81,371.25 : 123,204.38 = 123,204.38 : x
2. Step 2: Convert to fraction form
   81,371.25/123,204.38 = 123,204.38/x
3. Step 3: Cross multiply
   81,371.25x = 123,204.38 × 123,204.38
4. Step 4: Simplify right side
   81,371.25x = 15,179,318,019.14
5. Step 5: Solve for x
   x = 15,179,318,019.14/81,371.25
6. Step 6: Final answer
   x = 186,543.99