Finding the Third Proportional to 859,716 and 1,789,206

Step by Step Solution

1. Step 1: Write the proportion equation
   859,716 : 1,789,206 = 1,789,206 : x
2. Step 2: Convert to fraction form
   859,716/1,789,206 = 1,789,206/x
3. Step 3: Cross multiply
   859,716x = 1,789,206 × 1,789,206
4. Step 4: Simplify right side
   859,716x = 3,201,258,110,436
5. Step 5: Solve for x
   x = 3,201,258,110,436/859,716
6. Step 6: Final answer
   x = 3,723,622.81