Finding the Third Proportional to 3,408.19 and 3,722.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,408.19 : 3,722.06 = 3,722.06 : x
2. Step 2: Convert to fraction form
   3,408.19/3,722.06 = 3,722.06/x
3. Step 3: Cross multiply
   3,408.19x = 3,722.06 × 3,722.06
4. Step 4: Simplify right side
   3,408.19x = 13,853,749.25
5. Step 5: Solve for x
   x = 13,853,749.25/3,408.19
6. Step 6: Final answer
   x = 4,064.84