Finding the Third Proportional to 561,782.25 and 1,228,665.38

Step by Step Solution

1. Step 1: Write the proportion equation
   561,782.25 : 1,228,665.38 = 1,228,665.38 : x
2. Step 2: Convert to fraction form
   561,782.25/1,228,665.38 = 1,228,665.38/x
3. Step 3: Cross multiply
   561,782.25x = 1,228,665.38 × 1,228,665.38
4. Step 4: Simplify right side
   561,782.25x = 1,509,618,603,723.89
5. Step 5: Solve for x
   x = 1,509,618,603,723.89/561,782.25
6. Step 6: Final answer
   x = 2,687,195.27