Finding the Third Proportional to 99.84 and 146.44

Step by Step Solution

1. Step 1: Write the proportion equation
   99.84 : 146.44 = 146.44 : x
2. Step 2: Convert to fraction form
   99.84/146.44 = 146.44/x
3. Step 3: Cross multiply
   99.84x = 146.44 × 146.44
4. Step 4: Simplify right side
   99.84x = 21,443.94
5. Step 5: Solve for x
   x = 21,443.94/99.84
6. Step 6: Final answer
   x = 214.78