Finding the Third Proportional to 583,810 and 1,258,820

Step by Step Solution

1. Step 1: Write the proportion equation
   583,810 : 1,258,820 = 1,258,820 : x
2. Step 2: Convert to fraction form
   583,810/1,258,820 = 1,258,820/x
3. Step 3: Cross multiply
   583,810x = 1,258,820 × 1,258,820
4. Step 4: Simplify right side
   583,810x = 1,584,627,792,400
5. Step 5: Solve for x
   x = 1,584,627,792,400/583,810
6. Step 6: Final answer
   x = 2,714,286.83