Finding the Third Proportional to 10,986.26 and 17,006.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,986.26 : 17,006.20 = 17,006.20 : x
2. Step 2: Convert to fraction form
   10,986.26/17,006.20 = 17,006.20/x
3. Step 3: Cross multiply
   10,986.26x = 17,006.20 × 17,006.20
4. Step 4: Simplify right side
   10,986.26x = 289,210,944.73
5. Step 5: Solve for x
   x = 289,210,944.73/10,986.26
6. Step 6: Final answer
   x = 26,324.79