Finding the Third Proportional to 224,826 and 489,310

Step by Step Solution

1. Step 1: Write the proportion equation
   224,826 : 489,310 = 489,310 : x
2. Step 2: Convert to fraction form
   224,826/489,310 = 489,310/x
3. Step 3: Cross multiply
   224,826x = 489,310 × 489,310
4. Step 4: Simplify right side
   224,826x = 239,424,276,100
5. Step 5: Solve for x
   x = 239,424,276,100/224,826
6. Step 6: Final answer
   x = 1,064,931.44