Finding the Third Proportional to 168.05 and 360.09

Step by Step Solution

1. Step 1: Write the proportion equation
   168.05 : 360.09 = 360.09 : x
2. Step 2: Convert to fraction form
   168.05/360.09 = 360.09/x
3. Step 3: Cross multiply
   168.05x = 360.09 × 360.09
4. Step 4: Simplify right side
   168.05x = 129,667.51
5. Step 5: Solve for x
   x = 129,667.51/168.05
6. Step 6: Final answer
   x = 771.62