Finding the Third Proportional to 2,571,642 and 5,600,448

Step by Step Solution

1. Step 1: Write the proportion equation
   2,571,642 : 5,600,448 = 5,600,448 : x
2. Step 2: Convert to fraction form
   2,571,642/5,600,448 = 5,600,448/x
3. Step 3: Cross multiply
   2,571,642x = 5,600,448 × 5,600,448
4. Step 4: Simplify right side
   2,571,642x = 31,365,017,800,704
5. Step 5: Solve for x
   x = 31,365,017,800,704/2,571,642
6. Step 6: Final answer
   x = 12,196,494.61