Finding the Third Proportional to 20,238 and 30,149.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,238 : 30,149.50 = 30,149.50 : x
2. Step 2: Convert to fraction form
   20,238/30,149.50 = 30,149.50/x
3. Step 3: Cross multiply
   20,238x = 30,149.50 × 30,149.50
4. Step 4: Simplify right side
   20,238x = 908,992,350.25
5. Step 5: Solve for x
   x = 908,992,350.25/20,238
6. Step 6: Final answer
   x = 44,915.13