Finding the Third Proportional to 12,189,448 and 25,998,864

Step by Step Solution

1. Step 1: Write the proportion equation
   12,189,448 : 25,998,864 = 25,998,864 : x
2. Step 2: Convert to fraction form
   12,189,448/25,998,864 = 25,998,864/x
3. Step 3: Cross multiply
   12,189,448x = 25,998,864 × 25,998,864
4. Step 4: Simplify right side
   12,189,448x = 675,940,929,290,496
5. Step 5: Solve for x
   x = 675,940,929,290,496/12,189,448
6. Step 6: Final answer
   x = 55,452,956.47