Finding the Third Proportional to 583,828 and 1,258,856

Step by Step Solution

1. Step 1: Write the proportion equation
   583,828 : 1,258,856 = 1,258,856 : x
2. Step 2: Convert to fraction form
   583,828/1,258,856 = 1,258,856/x
3. Step 3: Cross multiply
   583,828x = 1,258,856 × 1,258,856
4. Step 4: Simplify right side
   583,828x = 1,584,718,428,736
5. Step 5: Solve for x
   x = 1,584,718,428,736/583,828
6. Step 6: Final answer
   x = 2,714,358.39