Finding the Third Proportional to 861,568 and 1,879,804

Step by Step Solution

1. Step 1: Write the proportion equation
   861,568 : 1,879,804 = 1,879,804 : x
2. Step 2: Convert to fraction form
   861,568/1,879,804 = 1,879,804/x
3. Step 3: Cross multiply
   861,568x = 1,879,804 × 1,879,804
4. Step 4: Simplify right side
   861,568x = 3,533,663,078,416
5. Step 5: Solve for x
   x = 3,533,663,078,416/861,568
6. Step 6: Final answer
   x = 4,101,432.60