Finding the Third Proportional to 20,143.69 and 43,228.69

Step by Step Solution

1. Step 1: Write the proportion equation
   20,143.69 : 43,228.69 = 43,228.69 : x
2. Step 2: Convert to fraction form
   20,143.69/43,228.69 = 43,228.69/x
3. Step 3: Cross multiply
   20,143.69x = 43,228.69 × 43,228.69
4. Step 4: Simplify right side
   20,143.69x = 1,868,719,422.97
5. Step 5: Solve for x
   x = 1,868,719,422.97/20,143.69
6. Step 6: Final answer
   x = 92,769.48