Finding the Third Proportional to 3,379.22 and 7,225.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,379.22 : 7,225.45 = 7,225.45 : x
2. Step 2: Convert to fraction form
   3,379.22/7,225.45 = 7,225.45/x
3. Step 3: Cross multiply
   3,379.22x = 7,225.45 × 7,225.45
4. Step 4: Simplify right side
   3,379.22x = 52,207,172.86
5. Step 5: Solve for x
   x = 52,207,172.86/3,379.22
6. Step 6: Final answer
   x = 15,449.48