Finding the Third Proportional to 227,732 and 489,160

Step by Step Solution

1. Step 1: Write the proportion equation
   227,732 : 489,160 = 489,160 : x
2. Step 2: Convert to fraction form
   227,732/489,160 = 489,160/x
3. Step 3: Cross multiply
   227,732x = 489,160 × 489,160
4. Step 4: Simplify right side
   227,732x = 239,277,505,600
5. Step 5: Solve for x
   x = 239,277,505,600/227,732
6. Step 6: Final answer
   x = 1,050,697.77