Finding the Third Proportional to 865,728 and 1,879,314

Step by Step Solution

1. Step 1: Write the proportion equation
   865,728 : 1,879,314 = 1,879,314 : x
2. Step 2: Convert to fraction form
   865,728/1,879,314 = 1,879,314/x
3. Step 3: Cross multiply
   865,728x = 1,879,314 × 1,879,314
4. Step 4: Simplify right side
   865,728x = 3,531,821,110,596
5. Step 5: Solve for x
   x = 3,531,821,110,596/865,728
6. Step 6: Final answer
   x = 4,079,596.72