Finding the Third Proportional to 2,469,228 and 5,390,922

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469,228 : 5,390,922 = 5,390,922 : x
2. Step 2: Convert to fraction form
   2,469,228/5,390,922 = 5,390,922/x
3. Step 3: Cross multiply
   2,469,228x = 5,390,922 × 5,390,922
4. Step 4: Simplify right side
   2,469,228x = 29,062,040,010,084
5. Step 5: Solve for x
   x = 29,062,040,010,084/2,469,228
6. Step 6: Final answer
   x = 11,769,686.72