Finding the Third Proportional to 98.72 and 149.03

Step by Step Solution

1. Step 1: Write the proportion equation
   98.72 : 149.03 = 149.03 : x
2. Step 2: Convert to fraction form
   98.72/149.03 = 149.03/x
3. Step 3: Cross multiply
   98.72x = 149.03 × 149.03
4. Step 4: Simplify right side
   98.72x = 22,209.15
5. Step 5: Solve for x
   x = 22,209.15/98.72
6. Step 6: Final answer
   x = 224.97