Finding the Third Proportional to 215,802 and 471,132

Step by Step Solution

1. Step 1: Write the proportion equation
   215,802 : 471,132 = 471,132 : x
2. Step 2: Convert to fraction form
   215,802/471,132 = 471,132/x
3. Step 3: Cross multiply
   215,802x = 471,132 × 471,132
4. Step 4: Simplify right side
   215,802x = 221,965,361,424
5. Step 5: Solve for x
   x = 221,965,361,424/215,802
6. Step 6: Final answer
   x = 1,028,560.26