Finding the Third Proportional to 218,656 and 475,792

Step by Step Solution

1. Step 1: Write the proportion equation
   218,656 : 475,792 = 475,792 : x
2. Step 2: Convert to fraction form
   218,656/475,792 = 475,792/x
3. Step 3: Cross multiply
   218,656x = 475,792 × 475,792
4. Step 4: Simplify right side
   218,656x = 226,378,027,264
5. Step 5: Solve for x
   x = 226,378,027,264/218,656
6. Step 6: Final answer
   x = 1,035,315.87