Finding the Third Proportional to 5,797,478 and 7,872,825

Step by Step Solution

1. Step 1: Write the proportion equation
   5,797,478 : 7,872,825 = 7,872,825 : x
2. Step 2: Convert to fraction form
   5,797,478/7,872,825 = 7,872,825/x
3. Step 3: Cross multiply
   5,797,478x = 7,872,825 × 7,872,825
4. Step 4: Simplify right side
   5,797,478x = 61,981,373,480,625
5. Step 5: Solve for x
   x = 61,981,373,480,625/5,797,478
6. Step 6: Final answer
   x = 10,691,092.49