Finding the Third Proportional to 3,622.22 and 7,711.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,622.22 : 7,711.45 = 7,711.45 : x
2. Step 2: Convert to fraction form
   3,622.22/7,711.45 = 7,711.45/x
3. Step 3: Cross multiply
   3,622.22x = 7,711.45 × 7,711.45
4. Step 4: Simplify right side
   3,622.22x = 59,466,509.30
5. Step 5: Solve for x
   x = 59,466,509.30/3,622.22
6. Step 6: Final answer
   x = 16,417.15