Finding the Third Proportional to 8,691.05 and 10,969.17

Step by Step Solution

1. Step 1: Write the proportion equation
   8,691.05 : 10,969.17 = 10,969.17 : x
2. Step 2: Convert to fraction form
   8,691.05/10,969.17 = 10,969.17/x
3. Step 3: Cross multiply
   8,691.05x = 10,969.17 × 10,969.17
4. Step 4: Simplify right side
   8,691.05x = 120,322,731.62
5. Step 5: Solve for x
   x = 120,322,731.62/8,691.05
6. Step 6: Final answer
   x = 13,844.45