Finding the Third Proportional to 163,344 and 333,600

Step by Step Solution

1. Step 1: Write the proportion equation
   163,344 : 333,600 = 333,600 : x
2. Step 2: Convert to fraction form
   163,344/333,600 = 333,600/x
3. Step 3: Cross multiply
   163,344x = 333,600 × 333,600
4. Step 4: Simplify right side
   163,344x = 111,288,960,000
5. Step 5: Solve for x
   x = 111,288,960,000/163,344
6. Step 6: Final answer
   x = 681,316.49