Finding the Third Proportional to 639,006 and 1,363,452

Step by Step Solution

1. Step 1: Write the proportion equation
   639,006 : 1,363,452 = 1,363,452 : x
2. Step 2: Convert to fraction form
   639,006/1,363,452 = 1,363,452/x
3. Step 3: Cross multiply
   639,006x = 1,363,452 × 1,363,452
4. Step 4: Simplify right side
   639,006x = 1,859,001,356,304
5. Step 5: Solve for x
   x = 1,859,001,356,304/639,006
6. Step 6: Final answer
   x = 2,909,207.98