Finding the Third Proportional to 2,540,298 and 5,479,452

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,298 : 5,479,452 = 5,479,452 : x
2. Step 2: Convert to fraction form
   2,540,298/5,479,452 = 5,479,452/x
3. Step 3: Cross multiply
   2,540,298x = 5,479,452 × 5,479,452
4. Step 4: Simplify right side
   2,540,298x = 30,024,394,220,304
5. Step 5: Solve for x
   x = 30,024,394,220,304/2,540,298
6. Step 6: Final answer
   x = 11,819,240.98