Finding the Third Proportional to 6,780.38 and 10,134.38

Step by Step Solution

1. Step 1: Write the proportion equation
   6,780.38 : 10,134.38 = 10,134.38 : x
2. Step 2: Convert to fraction form
   6,780.38/10,134.38 = 10,134.38/x
3. Step 3: Cross multiply
   6,780.38x = 10,134.38 × 10,134.38
4. Step 4: Simplify right side
   6,780.38x = 102,705,556.64
5. Step 5: Solve for x
   x = 102,705,556.64/6,780.38
6. Step 6: Final answer
   x = 15,147.47