Finding the Third Proportional to 12,338,568 and 18,435,274

Step by Step Solution

1. Step 1: Write the proportion equation
   12,338,568 : 18,435,274 = 18,435,274 : x
2. Step 2: Convert to fraction form
   12,338,568/18,435,274 = 18,435,274/x
3. Step 3: Cross multiply
   12,338,568x = 18,435,274 × 18,435,274
4. Step 4: Simplify right side
   12,338,568x = 339,859,327,455,076
5. Step 5: Solve for x
   x = 339,859,327,455,076/12,338,568
6. Step 6: Final answer
   x = 27,544,470.92