Finding the Third Proportional to 227,538 and 489,960

Step by Step Solution

1. Step 1: Write the proportion equation
   227,538 : 489,960 = 489,960 : x
2. Step 2: Convert to fraction form
   227,538/489,960 = 489,960/x
3. Step 3: Cross multiply
   227,538x = 489,960 × 489,960
4. Step 4: Simplify right side
   227,538x = 240,060,801,600
5. Step 5: Solve for x
   x = 240,060,801,600/227,538
6. Step 6: Final answer
   x = 1,055,036.09