Finding the Third Proportional to 217,900 and 475,004

Step by Step Solution

1. Step 1: Write the proportion equation
   217,900 : 475,004 = 475,004 : x
2. Step 2: Convert to fraction form
   217,900/475,004 = 475,004/x
3. Step 3: Cross multiply
   217,900x = 475,004 × 475,004
4. Step 4: Simplify right side
   217,900x = 225,628,800,016
5. Step 5: Solve for x
   x = 225,628,800,016/217,900
6. Step 6: Final answer
   x = 1,035,469.48