Finding the Third Proportional to 218,930 and 471,634

Step by Step Solution

1. Step 1: Write the proportion equation
   218,930 : 471,634 = 471,634 : x
2. Step 2: Convert to fraction form
   218,930/471,634 = 471,634/x
3. Step 3: Cross multiply
   218,930x = 471,634 × 471,634
4. Step 4: Simplify right side
   218,930x = 222,438,629,956
5. Step 5: Solve for x
   x = 222,438,629,956/218,930
6. Step 6: Final answer
   x = 1,016,026.26