Finding the Third Proportional to 6,761.25 and 10,389.38

Step by Step Solution

1. Step 1: Write the proportion equation
   6,761.25 : 10,389.38 = 10,389.38 : x
2. Step 2: Convert to fraction form
   6,761.25/10,389.38 = 10,389.38/x
3. Step 3: Cross multiply
   6,761.25x = 10,389.38 × 10,389.38
4. Step 4: Simplify right side
   6,761.25x = 107,939,112.89
5. Step 5: Solve for x
   x = 107,939,112.89/6,761.25
6. Step 6: Final answer
   x = 15,964.37