Finding the Third Proportional to 224,666 and 489,008

Step by Step Solution

1. Step 1: Write the proportion equation
   224,666 : 489,008 = 489,008 : x
2. Step 2: Convert to fraction form
   224,666/489,008 = 489,008/x
3. Step 3: Cross multiply
   224,666x = 489,008 × 489,008
4. Step 4: Simplify right side
   224,666x = 239,128,824,064
5. Step 5: Solve for x
   x = 239,128,824,064/224,666
6. Step 6: Final answer
   x = 1,064,374.78