Finding the Third Proportional to 126,867.38 and 300,553.31

Step by Step Solution

1. Step 1: Write the proportion equation
   126,867.38 : 300,553.31 = 300,553.31 : x
2. Step 2: Convert to fraction form
   126,867.38/300,553.31 = 300,553.31/x
3. Step 3: Cross multiply
   126,867.38x = 300,553.31 × 300,553.31
4. Step 4: Simplify right side
   126,867.38x = 90,332,293,654.72
5. Step 5: Solve for x
   x = 90,332,293,654.72/126,867.38
6. Step 6: Final answer
   x = 712,021.46