Finding the Third Proportional to 7,151 and 10,939.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,151 : 10,939.50 = 10,939.50 : x
2. Step 2: Convert to fraction form
   7,151/10,939.50 = 10,939.50/x
3. Step 3: Cross multiply
   7,151x = 10,939.50 × 10,939.50
4. Step 4: Simplify right side
   7,151x = 119,672,660.25
5. Step 5: Solve for x
   x = 119,672,660.25/7,151
6. Step 6: Final answer
   x = 16,735.09