Finding the Third Proportional to 2,456,757 and 5,315,921

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456,757 : 5,315,921 = 5,315,921 : x
2. Step 2: Convert to fraction form
   2,456,757/5,315,921 = 5,315,921/x
3. Step 3: Cross multiply
   2,456,757x = 5,315,921 × 5,315,921
4. Step 4: Simplify right side
   2,456,757x = 28,259,016,078,241
5. Step 5: Solve for x
   x = 28,259,016,078,241/2,456,757
6. Step 6: Final answer
   x = 11,502,568.66