Finding the Third Proportional to 73.56 and 150.81

Step by Step Solution

1. Step 1: Write the proportion equation
   73.56 : 150.81 = 150.81 : x
2. Step 2: Convert to fraction form
   73.56/150.81 = 150.81/x
3. Step 3: Cross multiply
   73.56x = 150.81 × 150.81
4. Step 4: Simplify right side
   73.56x = 22,744.41
5. Step 5: Solve for x
   x = 22,744.41/73.56
6. Step 6: Final answer
   x = 309.18