Finding the Third Proportional to 636,518 and 1,383,466

Step by Step Solution

1. Step 1: Write the proportion equation
   636,518 : 1,383,466 = 1,383,466 : x
2. Step 2: Convert to fraction form
   636,518/1,383,466 = 1,383,466/x
3. Step 3: Cross multiply
   636,518x = 1,383,466 × 1,383,466
4. Step 4: Simplify right side
   636,518x = 1,913,978,173,156
5. Step 5: Solve for x
   x = 1,913,978,173,156/636,518
6. Step 6: Final answer
   x = 3,006,950.59