Finding the Third Proportional to 3,429.75 and 7,371.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429.75 : 7,371.25 = 7,371.25 : x
2. Step 2: Convert to fraction form
   3,429.75/7,371.25 = 7,371.25/x
3. Step 3: Cross multiply
   3,429.75x = 7,371.25 × 7,371.25
4. Step 4: Simplify right side
   3,429.75x = 54,335,326.56
5. Step 5: Solve for x
   x = 54,335,326.56/3,429.75
6. Step 6: Final answer
   x = 15,842.36