Finding the Third Proportional to 87.29 and 181.83

Step by Step Solution

1. Step 1: Write the proportion equation
   87.29 : 181.83 = 181.83 : x
2. Step 2: Convert to fraction form
   87.29/181.83 = 181.83/x
3. Step 3: Cross multiply
   87.29x = 181.83 × 181.83
4. Step 4: Simplify right side
   87.29x = 33,061.47
5. Step 5: Solve for x
   x = 33,061.47/87.29
6. Step 6: Final answer
   x = 378.74