Finding the Third Proportional to 711,363 and 1,040,418

Step by Step Solution

1. Step 1: Write the proportion equation
   711,363 : 1,040,418 = 1,040,418 : x
2. Step 2: Convert to fraction form
   711,363/1,040,418 = 1,040,418/x
3. Step 3: Cross multiply
   711,363x = 1,040,418 × 1,040,418
4. Step 4: Simplify right side
   711,363x = 1,082,469,614,724
5. Step 5: Solve for x
   x = 1,082,469,614,724/711,363
6. Step 6: Final answer
   x = 1,521,683.89