Finding the Third Proportional to 1,002,760 and 2,188,448

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,760 : 2,188,448 = 2,188,448 : x
2. Step 2: Convert to fraction form
   1,002,760/2,188,448 = 2,188,448/x
3. Step 3: Cross multiply
   1,002,760x = 2,188,448 × 2,188,448
4. Step 4: Simplify right side
   1,002,760x = 4,789,304,648,704
5. Step 5: Solve for x
   x = 4,789,304,648,704/1,002,760
6. Step 6: Final answer
   x = 4,776,122.55