Finding the Third Proportional to 216,954 and 471,228

Step by Step Solution

1. Step 1: Write the proportion equation
   216,954 : 471,228 = 471,228 : x
2. Step 2: Convert to fraction form
   216,954/471,228 = 471,228/x
3. Step 3: Cross multiply
   216,954x = 471,228 × 471,228
4. Step 4: Simplify right side
   216,954x = 222,055,827,984
5. Step 5: Solve for x
   x = 222,055,827,984/216,954
6. Step 6: Final answer
   x = 1,023,515.71