Finding the Third Proportional to 2,647,431 and 5,714,766

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647,431 : 5,714,766 = 5,714,766 : x
2. Step 2: Convert to fraction form
   2,647,431/5,714,766 = 5,714,766/x
3. Step 3: Cross multiply
   2,647,431x = 5,714,766 × 5,714,766
4. Step 4: Simplify right side
   2,647,431x = 32,658,550,434,756
5. Step 5: Solve for x
   x = 32,658,550,434,756/2,647,431
6. Step 6: Final answer
   x = 12,335,940.18