Finding the Third Proportional to 45.38 and 99.09

Step by Step Solution

1. Step 1: Write the proportion equation
   45.38 : 99.09 = 99.09 : x
2. Step 2: Convert to fraction form
   45.38/99.09 = 99.09/x
3. Step 3: Cross multiply
   45.38x = 99.09 × 99.09
4. Step 4: Simplify right side
   45.38x = 9,819.57
5. Step 5: Solve for x
   x = 9,819.57/45.38
6. Step 6: Final answer
   x = 216.41