Finding the Third Proportional to 5,234,162 and 7,877,451

Step by Step Solution

1. Step 1: Write the proportion equation
   5,234,162 : 7,877,451 = 7,877,451 : x
2. Step 2: Convert to fraction form
   5,234,162/7,877,451 = 7,877,451/x
3. Step 3: Cross multiply
   5,234,162x = 7,877,451 × 7,877,451
4. Step 4: Simplify right side
   5,234,162x = 62,054,234,257,401
5. Step 5: Solve for x
   x = 62,054,234,257,401/5,234,162
6. Step 6: Final answer
   x = 11,855,619.73