Finding the Third Proportional to 3,144,658 and 4,987,451

Step by Step Solution

1. Step 1: Write the proportion equation
   3,144,658 : 4,987,451 = 4,987,451 : x
2. Step 2: Convert to fraction form
   3,144,658/4,987,451 = 4,987,451/x
3. Step 3: Cross multiply
   3,144,658x = 4,987,451 × 4,987,451
4. Step 4: Simplify right side
   3,144,658x = 24,874,667,477,401
5. Step 5: Solve for x
   x = 24,874,667,477,401/3,144,658
6. Step 6: Final answer
   x = 7,910,134.42