Finding the Third Proportional to 61.94 and 143.38

Step by Step Solution

1. Step 1: Write the proportion equation
   61.94 : 143.38 = 143.38 : x
2. Step 2: Convert to fraction form
   61.94/143.38 = 143.38/x
3. Step 3: Cross multiply
   61.94x = 143.38 × 143.38
4. Step 4: Simplify right side
   61.94x = 20,556.39
5. Step 5: Solve for x
   x = 20,556.39/61.94
6. Step 6: Final answer
   x = 331.89