Finding the Third Proportional to 220,900 and 480,904

Step by Step Solution

1. Step 1: Write the proportion equation
   220,900 : 480,904 = 480,904 : x
2. Step 2: Convert to fraction form
   220,900/480,904 = 480,904/x
3. Step 3: Cross multiply
   220,900x = 480,904 × 480,904
4. Step 4: Simplify right side
   220,900x = 231,268,657,216
5. Step 5: Solve for x
   x = 231,268,657,216/220,900
6. Step 6: Final answer
   x = 1,046,938.24