Finding the Third Proportional to 363,367.69 and 557,762.63

Step by Step Solution

1. Step 1: Write the proportion equation
   363,367.69 : 557,762.63 = 557,762.63 : x
2. Step 2: Convert to fraction form
   363,367.69/557,762.63 = 557,762.63/x
3. Step 3: Cross multiply
   363,367.69x = 557,762.63 × 557,762.63
4. Step 4: Simplify right side
   363,367.69x = 311,099,145,846.89
5. Step 5: Solve for x
   x = 311,099,145,846.89/363,367.69
6. Step 6: Final answer
   x = 856,155.23