Finding the Third Proportional to 865,223 and 1,863,568

Step by Step Solution

1. Step 1: Write the proportion equation
   865,223 : 1,863,568 = 1,863,568 : x
2. Step 2: Convert to fraction form
   865,223/1,863,568 = 1,863,568/x
3. Step 3: Cross multiply
   865,223x = 1,863,568 × 1,863,568
4. Step 4: Simplify right side
   865,223x = 3,472,885,690,624
5. Step 5: Solve for x
   x = 3,472,885,690,624/865,223
6. Step 6: Final answer
   x = 4,013,861.96