Finding the Third Proportional to 221,118 and 333,528

Step by Step Solution

1. Step 1: Write the proportion equation
   221,118 : 333,528 = 333,528 : x
2. Step 2: Convert to fraction form
   221,118/333,528 = 333,528/x
3. Step 3: Cross multiply
   221,118x = 333,528 × 333,528
4. Step 4: Simplify right side
   221,118x = 111,240,926,784
5. Step 5: Solve for x
   x = 111,240,926,784/221,118
6. Step 6: Final answer
   x = 503,083.99