Finding the Third Proportional to 217,024 and 333,960

Step by Step Solution

1. Step 1: Write the proportion equation
   217,024 : 333,960 = 333,960 : x
2. Step 2: Convert to fraction form
   217,024/333,960 = 333,960/x
3. Step 3: Cross multiply
   217,024x = 333,960 × 333,960
4. Step 4: Simplify right side
   217,024x = 111,529,281,600
5. Step 5: Solve for x
   x = 111,529,281,600/217,024
6. Step 6: Final answer
   x = 513,902.99