Finding the Third Proportional to 2,571,157 and 5,646,686

Step by Step Solution

1. Step 1: Write the proportion equation
   2,571,157 : 5,646,686 = 5,646,686 : x
2. Step 2: Convert to fraction form
   2,571,157/5,646,686 = 5,646,686/x
3. Step 3: Cross multiply
   2,571,157x = 5,646,686 × 5,646,686
4. Step 4: Simplify right side
   2,571,157x = 31,885,062,782,596
5. Step 5: Solve for x
   x = 31,885,062,782,596/2,571,157
6. Step 6: Final answer
   x = 12,401,056.33