Finding the Third Proportional to 215,660 and 465,016

Step by Step Solution

1. Step 1: Write the proportion equation
   215,660 : 465,016 = 465,016 : x
2. Step 2: Convert to fraction form
   215,660/465,016 = 465,016/x
3. Step 3: Cross multiply
   215,660x = 465,016 × 465,016
4. Step 4: Simplify right side
   215,660x = 216,239,880,256
5. Step 5: Solve for x
   x = 216,239,880,256/215,660
6. Step 6: Final answer
   x = 1,002,688.86