Finding the Third Proportional to 99,263 and 216,022

Step by Step Solution

1. Step 1: Write the proportion equation
   99,263 : 216,022 = 216,022 : x
2. Step 2: Convert to fraction form
   99,263/216,022 = 216,022/x
3. Step 3: Cross multiply
   99,263x = 216,022 × 216,022
4. Step 4: Simplify right side
   99,263x = 46,665,504,484
5. Step 5: Solve for x
   x = 46,665,504,484/99,263
6. Step 6: Final answer
   x = 470,119.83