Finding the Third Proportional to 104.50 and 148.38

Step by Step Solution

1. Step 1: Write the proportion equation
   104.50 : 148.38 = 148.38 : x
2. Step 2: Convert to fraction form
   104.50/148.38 = 148.38/x
3. Step 3: Cross multiply
   104.50x = 148.38 × 148.38
4. Step 4: Simplify right side
   104.50x = 22,015.14
5. Step 5: Solve for x
   x = 22,015.14/104.50
6. Step 6: Final answer
   x = 210.67