Finding the Third Proportional to 2,517,287 and 3,728,718

Step by Step Solution

1. Step 1: Write the proportion equation
   2,517,287 : 3,728,718 = 3,728,718 : x
2. Step 2: Convert to fraction form
   2,517,287/3,728,718 = 3,728,718/x
3. Step 3: Cross multiply
   2,517,287x = 3,728,718 × 3,728,718
4. Step 4: Simplify right side
   2,517,287x = 13,903,337,923,524
5. Step 5: Solve for x
   x = 13,903,337,923,524/2,517,287
6. Step 6: Final answer
   x = 5,523,143.74