Finding the Third Proportional to 71.63 and 154.88

Step by Step Solution

1. Step 1: Write the proportion equation
   71.63 : 154.88 = 154.88 : x
2. Step 2: Convert to fraction form
   71.63/154.88 = 154.88/x
3. Step 3: Cross multiply
   71.63x = 154.88 × 154.88
4. Step 4: Simplify right side
   71.63x = 23,986.27
5. Step 5: Solve for x
   x = 23,986.27/71.63
6. Step 6: Final answer
   x = 334.89