Finding the Third Proportional to 2,086,719 and 4,397,605

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086,719 : 4,397,605 = 4,397,605 : x
2. Step 2: Convert to fraction form
   2,086,719/4,397,605 = 4,397,605/x
3. Step 3: Cross multiply
   2,086,719x = 4,397,605 × 4,397,605
4. Step 4: Simplify right side
   2,086,719x = 19,338,929,736,025
5. Step 5: Solve for x
   x = 19,338,929,736,025/2,086,719
6. Step 6: Final answer
   x = 9,267,625.27