Finding the Third Proportional to 2,086,720 and 4,397,592

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086,720 : 4,397,592 = 4,397,592 : x
2. Step 2: Convert to fraction form
   2,086,720/4,397,592 = 4,397,592/x
3. Step 3: Cross multiply
   2,086,720x = 4,397,592 × 4,397,592
4. Step 4: Simplify right side
   2,086,720x = 19,338,815,398,464
5. Step 5: Solve for x
   x = 19,338,815,398,464/2,086,720
6. Step 6: Final answer
   x = 9,267,566.04