Finding the Third Proportional to 858,651 and 1,864,794

Step by Step Solution

1. Step 1: Write the proportion equation
   858,651 : 1,864,794 = 1,864,794 : x
2. Step 2: Convert to fraction form
   858,651/1,864,794 = 1,864,794/x
3. Step 3: Cross multiply
   858,651x = 1,864,794 × 1,864,794
4. Step 4: Simplify right side
   858,651x = 3,477,456,662,436
5. Step 5: Solve for x
   x = 3,477,456,662,436/858,651
6. Step 6: Final answer
   x = 4,049,906.96