Finding the Third Proportional to 1,439,682 and 3,149,738

Step by Step Solution

1. Step 1: Write the proportion equation
   1,439,682 : 3,149,738 = 3,149,738 : x
2. Step 2: Convert to fraction form
   1,439,682/3,149,738 = 3,149,738/x
3. Step 3: Cross multiply
   1,439,682x = 3,149,738 × 3,149,738
4. Step 4: Simplify right side
   1,439,682x = 9,920,849,468,644
5. Step 5: Solve for x
   x = 9,920,849,468,644/1,439,682
6. Step 6: Final answer
   x = 6,891,000.56