Finding the Third Proportional to 7,399.69 and 11,176.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,399.69 : 11,176.31 = 11,176.31 : x
2. Step 2: Convert to fraction form
   7,399.69/11,176.31 = 11,176.31/x
3. Step 3: Cross multiply
   7,399.69x = 11,176.31 × 11,176.31
4. Step 4: Simplify right side
   7,399.69x = 124,909,961.10
5. Step 5: Solve for x
   x = 124,909,961.10/7,399.69
6. Step 6: Final answer
   x = 16,880.44