Finding the Third Proportional to 123.71 and 174.02

Step by Step Solution

1. Step 1: Write the proportion equation
   123.71 : 174.02 = 174.02 : x
2. Step 2: Convert to fraction form
   123.71/174.02 = 174.02/x
3. Step 3: Cross multiply
   123.71x = 174.02 × 174.02
4. Step 4: Simplify right side
   123.71x = 30,284.16
5. Step 5: Solve for x
   x = 30,284.16/123.71
6. Step 6: Final answer
   x = 244.79