Finding the Third Proportional to 3,453.75 and 8,076.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,453.75 : 8,076.38 = 8,076.38 : x
2. Step 2: Convert to fraction form
   3,453.75/8,076.38 = 8,076.38/x
3. Step 3: Cross multiply
   3,453.75x = 8,076.38 × 8,076.38
4. Step 4: Simplify right side
   3,453.75x = 65,227,833.14
5. Step 5: Solve for x
   x = 65,227,833.14/3,453.75
6. Step 6: Final answer
   x = 18,886.09