Finding the Third Proportional to 2,609,858 and 3,992,792

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609,858 : 3,992,792 = 3,992,792 : x
2. Step 2: Convert to fraction form
   2,609,858/3,992,792 = 3,992,792/x
3. Step 3: Cross multiply
   2,609,858x = 3,992,792 × 3,992,792
4. Step 4: Simplify right side
   2,609,858x = 15,942,387,955,264
5. Step 5: Solve for x
   x = 15,942,387,955,264/2,609,858
6. Step 6: Final answer
   x = 6,108,526.96