Finding the Third Proportional to 215,662 and 469,110

Step by Step Solution

1. Step 1: Write the proportion equation
   215,662 : 469,110 = 469,110 : x
2. Step 2: Convert to fraction form
   215,662/469,110 = 469,110/x
3. Step 3: Cross multiply
   215,662x = 469,110 × 469,110
4. Step 4: Simplify right side
   215,662x = 220,064,192,100
5. Step 5: Solve for x
   x = 220,064,192,100/215,662
6. Step 6: Final answer
   x = 1,020,412.46