Finding the Third Proportional to 6,698 and 10,221

Step by Step Solution

1. Step 1: Write the proportion equation
   6,698 : 10,221 = 10,221 : x
2. Step 2: Convert to fraction form
   6,698/10,221 = 10,221/x
3. Step 3: Cross multiply
   6,698x = 10,221 × 10,221
4. Step 4: Simplify right side
   6,698x = 104,468,841
5. Step 5: Solve for x
   x = 104,468,841/6,698
6. Step 6: Final answer
   x = 15,597.02