Finding the Third Proportional to 12,839,073 and 19,944,198

Step by Step Solution

1. Step 1: Write the proportion equation
   12,839,073 : 19,944,198 = 19,944,198 : x
2. Step 2: Convert to fraction form
   12,839,073/19,944,198 = 19,944,198/x
3. Step 3: Cross multiply
   12,839,073x = 19,944,198 × 19,944,198
4. Step 4: Simplify right side
   12,839,073x = 397,771,033,863,204
5. Step 5: Solve for x
   x = 397,771,033,863,204/12,839,073
6. Step 6: Final answer
   x = 30,981,289.21