Finding the Third Proportional to 3,384.28 and 5,076.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,384.28 : 5,076.42 = 5,076.42 : x
2. Step 2: Convert to fraction form
   3,384.28/5,076.42 = 5,076.42/x
3. Step 3: Cross multiply
   3,384.28x = 5,076.42 × 5,076.42
4. Step 4: Simplify right side
   3,384.28x = 25,770,059.05
5. Step 5: Solve for x
   x = 25,770,059.05/3,384.28
6. Step 6: Final answer
   x = 7,614.63