Finding the Third Proportional to 1,375.50 and 3,245

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.50 : 3,245 = 3,245 : x
2. Step 2: Convert to fraction form
   1,375.50/3,245 = 3,245/x
3. Step 3: Cross multiply
   1,375.50x = 3,245 × 3,245
4. Step 4: Simplify right side
   1,375.50x = 10,530,025
5. Step 5: Solve for x
   x = 10,530,025/1,375.50
6. Step 6: Final answer
   x = 7,655.42