Finding the Third Proportional to 220,792 and 480,000

Step by Step Solution

1. Step 1: Write the proportion equation
   220,792 : 480,000 = 480,000 : x
2. Step 2: Convert to fraction form
   220,792/480,000 = 480,000/x
3. Step 3: Cross multiply
   220,792x = 480,000 × 480,000
4. Step 4: Simplify right side
   220,792x = 230,400,000,000
5. Step 5: Solve for x
   x = 230,400,000,000/220,792
6. Step 6: Final answer
   x = 1,043,516.07