Finding the Third Proportional to 2,472,853 and 5,211,386

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472,853 : 5,211,386 = 5,211,386 : x
2. Step 2: Convert to fraction form
   2,472,853/5,211,386 = 5,211,386/x
3. Step 3: Cross multiply
   2,472,853x = 5,211,386 × 5,211,386
4. Step 4: Simplify right side
   2,472,853x = 27,158,544,040,996
5. Step 5: Solve for x
   x = 27,158,544,040,996/2,472,853
6. Step 6: Final answer
   x = 10,982,676.30