Finding the Third Proportional to 219,228 and 471,728

Step by Step Solution

1. Step 1: Write the proportion equation
   219,228 : 471,728 = 471,728 : x
2. Step 2: Convert to fraction form
   219,228/471,728 = 471,728/x
3. Step 3: Cross multiply
   219,228x = 471,728 × 471,728
4. Step 4: Simplify right side
   219,228x = 222,527,305,984
5. Step 5: Solve for x
   x = 222,527,305,984/219,228
6. Step 6: Final answer
   x = 1,015,049.66