Finding the Third Proportional to 1,863,436 and 3,992,596

Step by Step Solution

1. Step 1: Write the proportion equation
   1,863,436 : 3,992,596 = 3,992,596 : x
2. Step 2: Convert to fraction form
   1,863,436/3,992,596 = 3,992,596/x
3. Step 3: Cross multiply
   1,863,436x = 3,992,596 × 3,992,596
4. Step 4: Simplify right side
   1,863,436x = 15,940,822,819,216
5. Step 5: Solve for x
   x = 15,940,822,819,216/1,863,436
6. Step 6: Final answer
   x = 8,554,531.96