Finding the Third Proportional to 219,604 and 479,366

Step by Step Solution

1. Step 1: Write the proportion equation
   219,604 : 479,366 = 479,366 : x
2. Step 2: Convert to fraction form
   219,604/479,366 = 479,366/x
3. Step 3: Cross multiply
   219,604x = 479,366 × 479,366
4. Step 4: Simplify right side
   219,604x = 229,791,761,956
5. Step 5: Solve for x
   x = 229,791,761,956/219,604
6. Step 6: Final answer
   x = 1,046,391.51