Finding the Third Proportional to 2,647,149 and 5,612,150

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647,149 : 5,612,150 = 5,612,150 : x
2. Step 2: Convert to fraction form
   2,647,149/5,612,150 = 5,612,150/x
3. Step 3: Cross multiply
   2,647,149x = 5,612,150 × 5,612,150
4. Step 4: Simplify right side
   2,647,149x = 31,496,227,622,500
5. Step 5: Solve for x
   x = 31,496,227,622,500/2,647,149
6. Step 6: Final answer
   x = 11,898,169.55