Finding the Third Proportional to 2,555,342 and 5,629,185

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555,342 : 5,629,185 = 5,629,185 : x
2. Step 2: Convert to fraction form
   2,555,342/5,629,185 = 5,629,185/x
3. Step 3: Cross multiply
   2,555,342x = 5,629,185 × 5,629,185
4. Step 4: Simplify right side
   2,555,342x = 31,687,723,764,225
5. Step 5: Solve for x
   x = 31,687,723,764,225/2,555,342
6. Step 6: Final answer
   x = 12,400,580.34