Finding the Third Proportional to 146.50 and 361.25

Step by Step Solution

1. Step 1: Write the proportion equation
   146.50 : 361.25 = 361.25 : x
2. Step 2: Convert to fraction form
   146.50/361.25 = 361.25/x
3. Step 3: Cross multiply
   146.50x = 361.25 × 361.25
4. Step 4: Simplify right side
   146.50x = 130,501.56
5. Step 5: Solve for x
   x = 130,501.56/146.50
6. Step 6: Final answer
   x = 890.80