Finding the Third Proportional to 221,569 and 483,238

Step by Step Solution

1. Step 1: Write the proportion equation
   221,569 : 483,238 = 483,238 : x
2. Step 2: Convert to fraction form
   221,569/483,238 = 483,238/x
3. Step 3: Cross multiply
   221,569x = 483,238 × 483,238
4. Step 4: Simplify right side
   221,569x = 233,518,964,644
5. Step 5: Solve for x
   x = 233,518,964,644/221,569
6. Step 6: Final answer
   x = 1,053,933.38