Finding the Third Proportional to 4,404.87 and 9,491.27

Step by Step Solution

1. Step 1: Write the proportion equation
   4,404.87 : 9,491.27 = 9,491.27 : x
2. Step 2: Convert to fraction form
   4,404.87/9,491.27 = 9,491.27/x
3. Step 3: Cross multiply
   4,404.87x = 9,491.27 × 9,491.27
4. Step 4: Simplify right side
   4,404.87x = 90,084,271.47
5. Step 5: Solve for x
   x = 90,084,271.47/4,404.87
6. Step 6: Final answer
   x = 20,451.08