Finding the Third Proportional to 4,988,870 and 10,756,451

Step by Step Solution

1. Step 1: Write the proportion equation
   4,988,870 : 10,756,451 = 10,756,451 : x
2. Step 2: Convert to fraction form
   4,988,870/10,756,451 = 10,756,451/x
3. Step 3: Cross multiply
   4,988,870x = 10,756,451 × 10,756,451
4. Step 4: Simplify right side
   4,988,870x = 115,701,238,115,401
5. Step 5: Solve for x
   x = 115,701,238,115,401/4,988,870
6. Step 6: Final answer
   x = 23,191,872.73