Finding the Third Proportional to 6,685.75 and 10,398.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,685.75 : 10,398.25 = 10,398.25 : x
2. Step 2: Convert to fraction form
   6,685.75/10,398.25 = 10,398.25/x
3. Step 3: Cross multiply
   6,685.75x = 10,398.25 × 10,398.25
4. Step 4: Simplify right side
   6,685.75x = 108,123,603.06
5. Step 5: Solve for x
   x = 108,123,603.06/6,685.75
6. Step 6: Final answer
   x = 16,172.25