Finding the Third Proportional to 6,682.50 and 10,389.38

Step by Step Solution

1. Step 1: Write the proportion equation
   6,682.50 : 10,389.38 = 10,389.38 : x
2. Step 2: Convert to fraction form
   6,682.50/10,389.38 = 10,389.38/x
3. Step 3: Cross multiply
   6,682.50x = 10,389.38 × 10,389.38
4. Step 4: Simplify right side
   6,682.50x = 107,939,112.89
5. Step 5: Solve for x
   x = 107,939,112.89/6,682.50
6. Step 6: Final answer
   x = 16,152.50