Finding the Third Proportional to 3,288.38 and 7,123.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,288.38 : 7,123.22 = 7,123.22 : x
2. Step 2: Convert to fraction form
   3,288.38/7,123.22 = 7,123.22/x
3. Step 3: Cross multiply
   3,288.38x = 7,123.22 × 7,123.22
4. Step 4: Simplify right side
   3,288.38x = 50,740,245.36
5. Step 5: Solve for x
   x = 50,740,245.36/3,288.38
6. Step 6: Final answer
   x = 15,430.19