Finding the Third Proportional to 239,208 and 493,992

Step by Step Solution

1. Step 1: Write the proportion equation
   239,208 : 493,992 = 493,992 : x
2. Step 2: Convert to fraction form
   239,208/493,992 = 493,992/x
3. Step 3: Cross multiply
   239,208x = 493,992 × 493,992
4. Step 4: Simplify right side
   239,208x = 244,028,096,064
5. Step 5: Solve for x
   x = 244,028,096,064/239,208
6. Step 6: Final answer
   x = 1,020,150.23