Finding the Third Proportional to 3,360.23 and 7,226.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,360.23 : 7,226.72 = 7,226.72 : x
2. Step 2: Convert to fraction form
   3,360.23/7,226.72 = 7,226.72/x
3. Step 3: Cross multiply
   3,360.23x = 7,226.72 × 7,226.72
4. Step 4: Simplify right side
   3,360.23x = 52,225,463.89
5. Step 5: Solve for x
   x = 52,225,463.89/3,360.23
6. Step 6: Final answer
   x = 15,542.21