Finding the Third Proportional to 171.14 and 373.72

Step by Step Solution

1. Step 1: Write the proportion equation
   171.14 : 373.72 = 373.72 : x
2. Step 2: Convert to fraction form
   171.14/373.72 = 373.72/x
3. Step 3: Cross multiply
   171.14x = 373.72 × 373.72
4. Step 4: Simplify right side
   171.14x = 139,663.15
5. Step 5: Solve for x
   x = 139,663.15/171.14
6. Step 6: Final answer
   x = 816.09