Finding the Third Proportional to 3,429.84 and 7,371.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429.84 : 7,371.56 = 7,371.56 : x
2. Step 2: Convert to fraction form
   3,429.84/7,371.56 = 7,371.56/x
3. Step 3: Cross multiply
   3,429.84x = 7,371.56 × 7,371.56
4. Step 4: Simplify right side
   3,429.84x = 54,339,933.69
5. Step 5: Solve for x
   x = 54,339,933.69/3,429.84
6. Step 6: Final answer
   x = 15,843.27