Finding the Third Proportional to 12,993,162 and 18,164,694

Step by Step Solution

1. Step 1: Write the proportion equation
   12,993,162 : 18,164,694 = 18,164,694 : x
2. Step 2: Convert to fraction form
   12,993,162/18,164,694 = 18,164,694/x
3. Step 3: Cross multiply
   12,993,162x = 18,164,694 × 18,164,694
4. Step 4: Simplify right side
   12,993,162x = 329,956,108,113,636
5. Step 5: Solve for x
   x = 329,956,108,113,636/12,993,162
6. Step 6: Final answer
   x = 25,394,596.64