Finding the Third Proportional to 167.13 and 390.52

Step by Step Solution

1. Step 1: Write the proportion equation
   167.13 : 390.52 = 390.52 : x
2. Step 2: Convert to fraction form
   167.13/390.52 = 390.52/x
3. Step 3: Cross multiply
   167.13x = 390.52 × 390.52
4. Step 4: Simplify right side
   167.13x = 152,502.45
5. Step 5: Solve for x
   x = 152,502.45/167.13
6. Step 6: Final answer
   x = 912.46