Finding the Third Proportional to 221,550 and 480,492

Step by Step Solution

1. Step 1: Write the proportion equation
   221,550 : 480,492 = 480,492 : x
2. Step 2: Convert to fraction form
   221,550/480,492 = 480,492/x
3. Step 3: Cross multiply
   221,550x = 480,492 × 480,492
4. Step 4: Simplify right side
   221,550x = 230,872,562,064
5. Step 5: Solve for x
   x = 230,872,562,064/221,550
6. Step 6: Final answer
   x = 1,042,078.82