Finding the Third Proportional to 69.61 and 168.33

Step by Step Solution

1. Step 1: Write the proportion equation
   69.61 : 168.33 = 168.33 : x
2. Step 2: Convert to fraction form
   69.61/168.33 = 168.33/x
3. Step 3: Cross multiply
   69.61x = 168.33 × 168.33
4. Step 4: Simplify right side
   69.61x = 28,334.36
5. Step 5: Solve for x
   x = 28,334.36/69.61
6. Step 6: Final answer
   x = 407.05