Finding the Third Proportional to 219,630 and 482,028

Step by Step Solution

1. Step 1: Write the proportion equation
   219,630 : 482,028 = 482,028 : x
2. Step 2: Convert to fraction form
   219,630/482,028 = 482,028/x
3. Step 3: Cross multiply
   219,630x = 482,028 × 482,028
4. Step 4: Simplify right side
   219,630x = 232,350,992,784
5. Step 5: Solve for x
   x = 232,350,992,784/219,630
6. Step 6: Final answer
   x = 1,057,920.11