Finding the Third Proportional to 218,920 and 475,204

Step by Step Solution

1. Step 1: Write the proportion equation
   218,920 : 475,204 = 475,204 : x
2. Step 2: Convert to fraction form
   218,920/475,204 = 475,204/x
3. Step 3: Cross multiply
   218,920x = 475,204 × 475,204
4. Step 4: Simplify right side
   218,920x = 225,818,841,616
5. Step 5: Solve for x
   x = 225,818,841,616/218,920
6. Step 6: Final answer
   x = 1,031,513.07