Finding the Third Proportional to 630,616 and 1,383,872

Step by Step Solution

1. Step 1: Write the proportion equation
   630,616 : 1,383,872 = 1,383,872 : x
2. Step 2: Convert to fraction form
   630,616/1,383,872 = 1,383,872/x
3. Step 3: Cross multiply
   630,616x = 1,383,872 × 1,383,872
4. Step 4: Simplify right side
   630,616x = 1,915,101,712,384
5. Step 5: Solve for x
   x = 1,915,101,712,384/630,616
6. Step 6: Final answer
   x = 3,036,874.60