Finding the Third Proportional to 181.31 and 265.03

Step by Step Solution

1. Step 1: Write the proportion equation
   181.31 : 265.03 = 265.03 : x
2. Step 2: Convert to fraction form
   181.31/265.03 = 265.03/x
3. Step 3: Cross multiply
   181.31x = 265.03 × 265.03
4. Step 4: Simplify right side
   181.31x = 70,241.56
5. Step 5: Solve for x
   x = 70,241.56/181.31
6. Step 6: Final answer
   x = 387.41