Finding the Third Proportional to 221,900 and 485,232

Step by Step Solution

1. Step 1: Write the proportion equation
   221,900 : 485,232 = 485,232 : x
2. Step 2: Convert to fraction form
   221,900/485,232 = 485,232/x
3. Step 3: Cross multiply
   221,900x = 485,232 × 485,232
4. Step 4: Simplify right side
   221,900x = 235,450,093,824
5. Step 5: Solve for x
   x = 235,450,093,824/221,900
6. Step 6: Final answer
   x = 1,061,063.96