Finding the Third Proportional to 1,002,449 and 2,339,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,449 : 2,339,128 = 2,339,128 : x
2. Step 2: Convert to fraction form
   1,002,449/2,339,128 = 2,339,128/x
3. Step 3: Cross multiply
   1,002,449x = 2,339,128 × 2,339,128
4. Step 4: Simplify right side
   1,002,449x = 5,471,519,800,384
5. Step 5: Solve for x
   x = 5,471,519,800,384/1,002,449
6. Step 6: Final answer
   x = 5,458,152.78