Finding the Third Proportional to 220,320 and 475,668

Step by Step Solution

1. Step 1: Write the proportion equation
   220,320 : 475,668 = 475,668 : x
2. Step 2: Convert to fraction form
   220,320/475,668 = 475,668/x
3. Step 3: Cross multiply
   220,320x = 475,668 × 475,668
4. Step 4: Simplify right side
   220,320x = 226,260,046,224
5. Step 5: Solve for x
   x = 226,260,046,224/220,320
6. Step 6: Final answer
   x = 1,026,960.99