Finding the Third Proportional to 363,366 and 557,760.38

Step by Step Solution

1. Step 1: Write the proportion equation
   363,366 : 557,760.38 = 557,760.38 : x
2. Step 2: Convert to fraction form
   363,366/557,760.38 = 557,760.38/x
3. Step 3: Cross multiply
   363,366x = 557,760.38 × 557,760.38
4. Step 4: Simplify right side
   363,366x = 311,096,635,920.14
5. Step 5: Solve for x
   x = 311,096,635,920.14/363,366
6. Step 6: Final answer
   x = 856,152.30