Finding the Third Proportional to 7,167.94 and 10,939.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,167.94 : 10,939.78 = 10,939.78 : x
2. Step 2: Convert to fraction form
   7,167.94/10,939.78 = 10,939.78/x
3. Step 3: Cross multiply
   7,167.94x = 10,939.78 × 10,939.78
4. Step 4: Simplify right side
   7,167.94x = 119,678,813.80
5. Step 5: Solve for x
   x = 119,678,813.80/7,167.94
6. Step 6: Final answer
   x = 16,696.41