Finding the Third Proportional to 6,943.22 and 10,909.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,943.22 : 10,909.69 = 10,909.69 : x
2. Step 2: Convert to fraction form
   6,943.22/10,909.69 = 10,909.69/x
3. Step 3: Cross multiply
   6,943.22x = 10,909.69 × 10,909.69
4. Step 4: Simplify right side
   6,943.22x = 119,021,281.35
5. Step 5: Solve for x
   x = 119,021,281.35/6,943.22
6. Step 6: Final answer
   x = 17,142.09