Finding the Third Proportional to 2,564,792 and 3,987,192

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564,792 : 3,987,192 = 3,987,192 : x
2. Step 2: Convert to fraction form
   2,564,792/3,987,192 = 3,987,192/x
3. Step 3: Cross multiply
   2,564,792x = 3,987,192 × 3,987,192
4. Step 4: Simplify right side
   2,564,792x = 15,897,700,044,864
5. Step 5: Solve for x
   x = 15,897,700,044,864/2,564,792
6. Step 6: Final answer
   x = 6,198,436.38