Finding the Third Proportional to 4,111.75 and 9,043.56

Step by Step Solution

1. Step 1: Write the proportion equation
   4,111.75 : 9,043.56 = 9,043.56 : x
2. Step 2: Convert to fraction form
   4,111.75/9,043.56 = 9,043.56/x
3. Step 3: Cross multiply
   4,111.75x = 9,043.56 × 9,043.56
4. Step 4: Simplify right side
   4,111.75x = 81,786,022.69
5. Step 5: Solve for x
   x = 81,786,022.69/4,111.75
6. Step 6: Final answer
   x = 19,890.81