Finding the Third Proportional to 99.44 and 148.56

Step by Step Solution

1. Step 1: Write the proportion equation
   99.44 : 148.56 = 148.56 : x
2. Step 2: Convert to fraction form
   99.44/148.56 = 148.56/x
3. Step 3: Cross multiply
   99.44x = 148.56 × 148.56
4. Step 4: Simplify right side
   99.44x = 22,070.82
5. Step 5: Solve for x
   x = 22,070.82/99.44
6. Step 6: Final answer
   x = 221.96