Finding the Third Proportional to 217,482 and 479,114

Step by Step Solution

1. Step 1: Write the proportion equation
   217,482 : 479,114 = 479,114 : x
2. Step 2: Convert to fraction form
   217,482/479,114 = 479,114/x
3. Step 3: Cross multiply
   217,482x = 479,114 × 479,114
4. Step 4: Simplify right side
   217,482x = 229,550,224,996
5. Step 5: Solve for x
   x = 229,550,224,996/217,482
6. Step 6: Final answer
   x = 1,055,490.68