Finding the Third Proportional to 2,564,796 and 3,987,198

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564,796 : 3,987,198 = 3,987,198 : x
2. Step 2: Convert to fraction form
   2,564,796/3,987,198 = 3,987,198/x
3. Step 3: Cross multiply
   2,564,796x = 3,987,198 × 3,987,198
4. Step 4: Simplify right side
   2,564,796x = 15,897,747,891,204
5. Step 5: Solve for x
   x = 15,897,747,891,204/2,564,796
6. Step 6: Final answer
   x = 6,198,445.37