Finding the Third Proportional to 224,692 and 489,056

Step by Step Solution

1. Step 1: Write the proportion equation
   224,692 : 489,056 = 489,056 : x
2. Step 2: Convert to fraction form
   224,692/489,056 = 489,056/x
3. Step 3: Cross multiply
   224,692x = 489,056 × 489,056
4. Step 4: Simplify right side
   224,692x = 239,175,771,136
5. Step 5: Solve for x
   x = 239,175,771,136/224,692
6. Step 6: Final answer
   x = 1,064,460.56