Finding the Third Proportional to 10,981 and 17,028.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,981 : 17,028.50 = 17,028.50 : x
2. Step 2: Convert to fraction form
   10,981/17,028.50 = 17,028.50/x
3. Step 3: Cross multiply
   10,981x = 17,028.50 × 17,028.50
4. Step 4: Simplify right side
   10,981x = 289,969,812.25
5. Step 5: Solve for x
   x = 289,969,812.25/10,981
6. Step 6: Final answer
   x = 26,406.50