Finding the Third Proportional to 6,901 and 10,891

Step by Step Solution

1. Step 1: Write the proportion equation
   6,901 : 10,891 = 10,891 : x
2. Step 2: Convert to fraction form
   6,901/10,891 = 10,891/x
3. Step 3: Cross multiply
   6,901x = 10,891 × 10,891
4. Step 4: Simplify right side
   6,901x = 118,613,881
5. Step 5: Solve for x
   x = 118,613,881/6,901
6. Step 6: Final answer
   x = 17,187.93