Finding the Third Proportional to 2,555,331 and 5,629,163

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555,331 : 5,629,163 = 5,629,163 : x
2. Step 2: Convert to fraction form
   2,555,331/5,629,163 = 5,629,163/x
3. Step 3: Cross multiply
   2,555,331x = 5,629,163 × 5,629,163
4. Step 4: Simplify right side
   2,555,331x = 31,687,476,080,569
5. Step 5: Solve for x
   x = 31,687,476,080,569/2,555,331
6. Step 6: Final answer
   x = 12,400,536.79