Finding the Third Proportional to 215,662 and 465,020

Step by Step Solution

1. Step 1: Write the proportion equation
   215,662 : 465,020 = 465,020 : x
2. Step 2: Convert to fraction form
   215,662/465,020 = 465,020/x
3. Step 3: Cross multiply
   215,662x = 465,020 × 465,020
4. Step 4: Simplify right side
   215,662x = 216,243,600,400
5. Step 5: Solve for x
   x = 216,243,600,400/215,662
6. Step 6: Final answer
   x = 1,002,696.81