Finding the Third Proportional to 239,155 and 503,096

Step by Step Solution

1. Step 1: Write the proportion equation
   239,155 : 503,096 = 503,096 : x
2. Step 2: Convert to fraction form
   239,155/503,096 = 503,096/x
3. Step 3: Cross multiply
   239,155x = 503,096 × 503,096
4. Step 4: Simplify right side
   239,155x = 253,105,585,216
5. Step 5: Solve for x
   x = 253,105,585,216/239,155
6. Step 6: Final answer
   x = 1,058,332.82