Finding the Third Proportional to 221,170.50 and 333,588

Step by Step Solution

1. Step 1: Write the proportion equation
   221,170.50 : 333,588 = 333,588 : x
2. Step 2: Convert to fraction form
   221,170.50/333,588 = 333,588/x
3. Step 3: Cross multiply
   221,170.50x = 333,588 × 333,588
4. Step 4: Simplify right side
   221,170.50x = 111,280,953,744
5. Step 5: Solve for x
   x = 111,280,953,744/221,170.50
6. Step 6: Final answer
   x = 503,145.55