Finding the Third Proportional to 3,454.21 and 7,360.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,454.21 : 7,360.24 = 7,360.24 : x
2. Step 2: Convert to fraction form
   3,454.21/7,360.24 = 7,360.24/x
3. Step 3: Cross multiply
   3,454.21x = 7,360.24 × 7,360.24
4. Step 4: Simplify right side
   3,454.21x = 54,173,165.06
5. Step 5: Solve for x
   x = 54,173,165.06/3,454.21
6. Step 6: Final answer
   x = 15,683.24