Finding the Third Proportional to 219,936 and 479,238

Step by Step Solution

1. Step 1: Write the proportion equation
   219,936 : 479,238 = 479,238 : x
2. Step 2: Convert to fraction form
   219,936/479,238 = 479,238/x
3. Step 3: Cross multiply
   219,936x = 479,238 × 479,238
4. Step 4: Simplify right side
   219,936x = 229,669,060,644
5. Step 5: Solve for x
   x = 229,669,060,644/219,936
6. Step 6: Final answer
   x = 1,044,254.06