Finding the Third Proportional to 218,182 and 470,792

Step by Step Solution

1. Step 1: Write the proportion equation
   218,182 : 470,792 = 470,792 : x
2. Step 2: Convert to fraction form
   218,182/470,792 = 470,792/x
3. Step 3: Cross multiply
   218,182x = 470,792 × 470,792
4. Step 4: Simplify right side
   218,182x = 221,645,107,264
5. Step 5: Solve for x
   x = 221,645,107,264/218,182
6. Step 6: Final answer
   x = 1,015,872.56