Finding the Third Proportional to 3,408.75 and 7,430.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,408.75 : 7,430.25 = 7,430.25 : x
2. Step 2: Convert to fraction form
   3,408.75/7,430.25 = 7,430.25/x
3. Step 3: Cross multiply
   3,408.75x = 7,430.25 × 7,430.25
4. Step 4: Simplify right side
   3,408.75x = 55,208,615.06
5. Step 5: Solve for x
   x = 55,208,615.06/3,408.75
6. Step 6: Final answer
   x = 16,196.15