Finding the Third Proportional to 7,141.92 and 10,986.26

Step by Step Solution

1. Step 1: Write the proportion equation
   7,141.92 : 10,986.26 = 10,986.26 : x
2. Step 2: Convert to fraction form
   7,141.92/10,986.26 = 10,986.26/x
3. Step 3: Cross multiply
   7,141.92x = 10,986.26 × 10,986.26
4. Step 4: Simplify right side
   7,141.92x = 120,697,860.72
5. Step 5: Solve for x
   x = 120,697,860.72/7,141.92
6. Step 6: Final answer
   x = 16,899.91