Finding the Third Proportional to 219,872 and 479,116

Step by Step Solution

1. Step 1: Write the proportion equation
   219,872 : 479,116 = 479,116 : x
2. Step 2: Convert to fraction form
   219,872/479,116 = 479,116/x
3. Step 3: Cross multiply
   219,872x = 479,116 × 479,116
4. Step 4: Simplify right side
   219,872x = 229,552,141,456
5. Step 5: Solve for x
   x = 229,552,141,456/219,872
6. Step 6: Final answer
   x = 1,044,026.26