Finding the Third Proportional to 4,401.19 and 9,786.56

Step by Step Solution

1. Step 1: Write the proportion equation
   4,401.19 : 9,786.56 = 9,786.56 : x
2. Step 2: Convert to fraction form
   4,401.19/9,786.56 = 9,786.56/x
3. Step 3: Cross multiply
   4,401.19x = 9,786.56 × 9,786.56
4. Step 4: Simplify right side
   4,401.19x = 95,776,805.57
5. Step 5: Solve for x
   x = 95,776,805.57/4,401.19
6. Step 6: Final answer
   x = 21,761.58