Finding the Third Proportional to 4,143.38 and 9,150.75

Step by Step Solution

1. Step 1: Write the proportion equation
   4,143.38 : 9,150.75 = 9,150.75 : x
2. Step 2: Convert to fraction form
   4,143.38/9,150.75 = 9,150.75/x
3. Step 3: Cross multiply
   4,143.38x = 9,150.75 × 9,150.75
4. Step 4: Simplify right side
   4,143.38x = 83,736,225.56
5. Step 5: Solve for x
   x = 83,736,225.56/4,143.38
6. Step 6: Final answer
   x = 20,209.67