Finding the Third Proportional to 168.89 and 352.69

Step by Step Solution

1. Step 1: Write the proportion equation
   168.89 : 352.69 = 352.69 : x
2. Step 2: Convert to fraction form
   168.89/352.69 = 352.69/x
3. Step 3: Cross multiply
   168.89x = 352.69 × 352.69
4. Step 4: Simplify right side
   168.89x = 124,388.47
5. Step 5: Solve for x
   x = 124,388.47/168.89
6. Step 6: Final answer
   x = 736.50