Finding the Third Proportional to 68,386.50 and 108,198

Step by Step Solution

1. Step 1: Write the proportion equation
   68,386.50 : 108,198 = 108,198 : x
2. Step 2: Convert to fraction form
   68,386.50/108,198 = 108,198/x
3. Step 3: Cross multiply
   68,386.50x = 108,198 × 108,198
4. Step 4: Simplify right side
   68,386.50x = 11,706,807,204
5. Step 5: Solve for x
   x = 11,706,807,204/68,386.50
6. Step 6: Final answer
   x = 171,185.94