Finding the Third Proportional to 219,630 and 479,536

Step by Step Solution

1. Step 1: Write the proportion equation
   219,630 : 479,536 = 479,536 : x
2. Step 2: Convert to fraction form
   219,630/479,536 = 479,536/x
3. Step 3: Cross multiply
   219,630x = 479,536 × 479,536
4. Step 4: Simplify right side
   219,630x = 229,954,775,296
5. Step 5: Solve for x
   x = 229,954,775,296/219,630
6. Step 6: Final answer
   x = 1,047,009.86