Finding the Third Proportional to 219,898 and 479,292

Step by Step Solution

1. Step 1: Write the proportion equation
   219,898 : 479,292 = 479,292 : x
2. Step 2: Convert to fraction form
   219,898/479,292 = 479,292/x
3. Step 3: Cross multiply
   219,898x = 479,292 × 479,292
4. Step 4: Simplify right side
   219,898x = 229,720,821,264
5. Step 5: Solve for x
   x = 229,720,821,264/219,898
6. Step 6: Final answer
   x = 1,044,669.90