Finding the Third Proportional to 3,879,981 and 5,873,649

Step by Step Solution

1. Step 1: Write the proportion equation
   3,879,981 : 5,873,649 = 5,873,649 : x
2. Step 2: Convert to fraction form
   3,879,981/5,873,649 = 5,873,649/x
3. Step 3: Cross multiply
   3,879,981x = 5,873,649 × 5,873,649
4. Step 4: Simplify right side
   3,879,981x = 34,499,752,575,201
5. Step 5: Solve for x
   x = 34,499,752,575,201/3,879,981
6. Step 6: Final answer
   x = 8,891,732.35