Finding the Third Proportional to 2,540,568 and 5,449,521

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,568 : 5,449,521 = 5,449,521 : x
2. Step 2: Convert to fraction form
   2,540,568/5,449,521 = 5,449,521/x
3. Step 3: Cross multiply
   2,540,568x = 5,449,521 × 5,449,521
4. Step 4: Simplify right side
   2,540,568x = 29,697,279,129,441
5. Step 5: Solve for x
   x = 29,697,279,129,441/2,540,568
6. Step 6: Final answer
   x = 11,689,228.21