Finding the Third Proportional to 72.94 and 136.03

Step by Step Solution

1. Step 1: Write the proportion equation
   72.94 : 136.03 = 136.03 : x
2. Step 2: Convert to fraction form
   72.94/136.03 = 136.03/x
3. Step 3: Cross multiply
   72.94x = 136.03 × 136.03
4. Step 4: Simplify right side
   72.94x = 18,504.50
5. Step 5: Solve for x
   x = 18,504.50/72.94
6. Step 6: Final answer
   x = 253.70