Finding the Third Proportional to 239,736.38 and 516,834

Step by Step Solution

1. Step 1: Write the proportion equation
   239,736.38 : 516,834 = 516,834 : x
2. Step 2: Convert to fraction form
   239,736.38/516,834 = 516,834/x
3. Step 3: Cross multiply
   239,736.38x = 516,834 × 516,834
4. Step 4: Simplify right side
   239,736.38x = 267,117,383,556
5. Step 5: Solve for x
   x = 267,117,383,556/239,736.38
6. Step 6: Final answer
   x = 1,114,212.99