Finding the Third Proportional to 2,560,662 and 5,518,304

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560,662 : 5,518,304 = 5,518,304 : x
2. Step 2: Convert to fraction form
   2,560,662/5,518,304 = 5,518,304/x
3. Step 3: Cross multiply
   2,560,662x = 5,518,304 × 5,518,304
4. Step 4: Simplify right side
   2,560,662x = 30,451,679,036,416
5. Step 5: Solve for x
   x = 30,451,679,036,416/2,560,662
6. Step 6: Final answer
   x = 11,892,111.90