Finding the Third Proportional to 12,391,105 and 17,418,593

Step by Step Solution

1. Step 1: Write the proportion equation
   12,391,105 : 17,418,593 = 17,418,593 : x
2. Step 2: Convert to fraction form
   12,391,105/17,418,593 = 17,418,593/x
3. Step 3: Cross multiply
   12,391,105x = 17,418,593 × 17,418,593
4. Step 4: Simplify right side
   12,391,105x = 303,407,382,099,649
5. Step 5: Solve for x
   x = 303,407,382,099,649/12,391,105
6. Step 6: Final answer
   x = 24,485,901.95