Finding the Third Proportional to 78.47 and 168.33

Step by Step Solution

1. Step 1: Write the proportion equation
   78.47 : 168.33 = 168.33 : x
2. Step 2: Convert to fraction form
   78.47/168.33 = 168.33/x
3. Step 3: Cross multiply
   78.47x = 168.33 × 168.33
4. Step 4: Simplify right side
   78.47x = 28,334.36
5. Step 5: Solve for x
   x = 28,334.36/78.47
6. Step 6: Final answer
   x = 361.09