Finding the Third Proportional to 99.98 and 151.45

Step by Step Solution

1. Step 1: Write the proportion equation
   99.98 : 151.45 = 151.45 : x
2. Step 2: Convert to fraction form
   99.98/151.45 = 151.45/x
3. Step 3: Cross multiply
   99.98x = 151.45 × 151.45
4. Step 4: Simplify right side
   99.98x = 22,938.05
5. Step 5: Solve for x
   x = 22,938.05/99.98
6. Step 6: Final answer
   x = 229.42