Finding the Third Proportional to 218,524 and 472,040

Step by Step Solution

1. Step 1: Write the proportion equation
   218,524 : 472,040 = 472,040 : x
2. Step 2: Convert to fraction form
   218,524/472,040 = 472,040/x
3. Step 3: Cross multiply
   218,524x = 472,040 × 472,040
4. Step 4: Simplify right side
   218,524x = 222,821,761,600
5. Step 5: Solve for x
   x = 222,821,761,600/218,524
6. Step 6: Final answer
   x = 1,019,667.23