Finding the Third Proportional to 221,770 and 475,292

Step by Step Solution

1. Step 1: Write the proportion equation
   221,770 : 475,292 = 475,292 : x
2. Step 2: Convert to fraction form
   221,770/475,292 = 475,292/x
3. Step 3: Cross multiply
   221,770x = 475,292 × 475,292
4. Step 4: Simplify right side
   221,770x = 225,902,485,264
5. Step 5: Solve for x
   x = 225,902,485,264/221,770
6. Step 6: Final answer
   x = 1,018,634.10