Finding the Third Proportional to 221,584 and 480,752

Step by Step Solution

1. Step 1: Write the proportion equation
   221,584 : 480,752 = 480,752 : x
2. Step 2: Convert to fraction form
   221,584/480,752 = 480,752/x
3. Step 3: Cross multiply
   221,584x = 480,752 × 480,752
4. Step 4: Simplify right side
   221,584x = 231,122,485,504
5. Step 5: Solve for x
   x = 231,122,485,504/221,584
6. Step 6: Final answer
   x = 1,043,046.82