Finding the Third Proportional to 224,446 and 480,420

Step by Step Solution

1. Step 1: Write the proportion equation
   224,446 : 480,420 = 480,420 : x
2. Step 2: Convert to fraction form
   224,446/480,420 = 480,420/x
3. Step 3: Cross multiply
   224,446x = 480,420 × 480,420
4. Step 4: Simplify right side
   224,446x = 230,803,376,400
5. Step 5: Solve for x
   x = 230,803,376,400/224,446
6. Step 6: Final answer
   x = 1,028,324.75