Finding the Third Proportional to 219,450 and 479,112

Step by Step Solution

1. Step 1: Write the proportion equation
   219,450 : 479,112 = 479,112 : x
2. Step 2: Convert to fraction form
   219,450/479,112 = 479,112/x
3. Step 3: Cross multiply
   219,450x = 479,112 × 479,112
4. Step 4: Simplify right side
   219,450x = 229,548,308,544
5. Step 5: Solve for x
   x = 229,548,308,544/219,450
6. Step 6: Final answer
   x = 1,046,016.44