Finding the Third Proportional to 219,958 and 471,020

Step by Step Solution

1. Step 1: Write the proportion equation
   219,958 : 471,020 = 471,020 : x
2. Step 2: Convert to fraction form
   219,958/471,020 = 471,020/x
3. Step 3: Cross multiply
   219,958x = 471,020 × 471,020
4. Step 4: Simplify right side
   219,958x = 221,859,840,400
5. Step 5: Solve for x
   x = 221,859,840,400/219,958
6. Step 6: Final answer
   x = 1,008,646.38