Finding the Third Proportional to 221,980 and 484,514

Step by Step Solution

1. Step 1: Write the proportion equation
   221,980 : 484,514 = 484,514 : x
2. Step 2: Convert to fraction form
   221,980/484,514 = 484,514/x
3. Step 3: Cross multiply
   221,980x = 484,514 × 484,514
4. Step 4: Simplify right side
   221,980x = 234,753,816,196
5. Step 5: Solve for x
   x = 234,753,816,196/221,980
6. Step 6: Final answer
   x = 1,057,544.90