Finding the Third Proportional to 217,008 and 333,936

Step by Step Solution

1. Step 1: Write the proportion equation
   217,008 : 333,936 = 333,936 : x
2. Step 2: Convert to fraction form
   217,008/333,936 = 333,936/x
3. Step 3: Cross multiply
   217,008x = 333,936 × 333,936
4. Step 4: Simplify right side
   217,008x = 111,513,252,096
5. Step 5: Solve for x
   x = 111,513,252,096/217,008
6. Step 6: Final answer
   x = 513,867.01