Finding the Third Proportional to 4,403.81 and 9,171.56

Step by Step Solution

1. Step 1: Write the proportion equation
   4,403.81 : 9,171.56 = 9,171.56 : x
2. Step 2: Convert to fraction form
   4,403.81/9,171.56 = 9,171.56/x
3. Step 3: Cross multiply
   4,403.81x = 9,171.56 × 9,171.56
4. Step 4: Simplify right side
   4,403.81x = 84,117,558.69
5. Step 5: Solve for x
   x = 84,117,558.69/4,403.81
6. Step 6: Final answer
   x = 19,101.08