Finding the Third Proportional to 1,002,784 and 2,188,488

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,784 : 2,188,488 = 2,188,488 : x
2. Step 2: Convert to fraction form
   1,002,784/2,188,488 = 2,188,488/x
3. Step 3: Cross multiply
   1,002,784x = 2,188,488 × 2,188,488
4. Step 4: Simplify right side
   1,002,784x = 4,789,479,726,144
5. Step 5: Solve for x
   x = 4,789,479,726,144/1,002,784
6. Step 6: Final answer
   x = 4,776,182.83