Finding the Third Proportional to 221,166 and 333,582

Step by Step Solution

1. Step 1: Write the proportion equation
   221,166 : 333,582 = 333,582 : x
2. Step 2: Convert to fraction form
   221,166/333,582 = 333,582/x
3. Step 3: Cross multiply
   221,166x = 333,582 × 333,582
4. Step 4: Simplify right side
   221,166x = 111,276,950,724
5. Step 5: Solve for x
   x = 111,276,950,724/221,166
6. Step 6: Final answer
   x = 503,137.69