Finding the Third Proportional to 10,989 and 16,760.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,989 : 16,760.25 = 16,760.25 : x
2. Step 2: Convert to fraction form
   10,989/16,760.25 = 16,760.25/x
3. Step 3: Cross multiply
   10,989x = 16,760.25 × 16,760.25
4. Step 4: Simplify right side
   10,989x = 280,905,980.06
5. Step 5: Solve for x
   x = 280,905,980.06/10,989
6. Step 6: Final answer
   x = 25,562.47