Finding the Third Proportional to 472,920 and 1,028,784

Step by Step Solution

1. Step 1: Write the proportion equation
   472,920 : 1,028,784 = 1,028,784 : x
2. Step 2: Convert to fraction form
   472,920/1,028,784 = 1,028,784/x
3. Step 3: Cross multiply
   472,920x = 1,028,784 × 1,028,784
4. Step 4: Simplify right side
   472,920x = 1,058,396,518,656
5. Step 5: Solve for x
   x = 1,058,396,518,656/472,920
6. Step 6: Final answer
   x = 2,238,003.30