Finding the Third Proportional to 63,550.88 and 138,168.38

Step by Step Solution

1. Step 1: Write the proportion equation
   63,550.88 : 138,168.38 = 138,168.38 : x
2. Step 2: Convert to fraction form
   63,550.88/138,168.38 = 138,168.38/x
3. Step 3: Cross multiply
   63,550.88x = 138,168.38 × 138,168.38
4. Step 4: Simplify right side
   63,550.88x = 19,090,499,850.14
5. Step 5: Solve for x
   x = 19,090,499,850.14/63,550.88
6. Step 6: Final answer
   x = 300,397.12