Finding the Third Proportional to 220,260 and 480,976

Step by Step Solution

1. Step 1: Write the proportion equation
   220,260 : 480,976 = 480,976 : x
2. Step 2: Convert to fraction form
   220,260/480,976 = 480,976/x
3. Step 3: Cross multiply
   220,260x = 480,976 × 480,976
4. Step 4: Simplify right side
   220,260x = 231,337,912,576
5. Step 5: Solve for x
   x = 231,337,912,576/220,260
6. Step 6: Final answer
   x = 1,050,294.71