Finding the Third Proportional to 224,456 and 480,440

Step by Step Solution

1. Step 1: Write the proportion equation
   224,456 : 480,440 = 480,440 : x
2. Step 2: Convert to fraction form
   224,456/480,440 = 480,440/x
3. Step 3: Cross multiply
   224,456x = 480,440 × 480,440
4. Step 4: Simplify right side
   224,456x = 230,822,593,600
5. Step 5: Solve for x
   x = 230,822,593,600/224,456
6. Step 6: Final answer
   x = 1,028,364.55