Finding the Third Proportional to 3,180.50 and 4,865.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,180.50 : 4,865.50 = 4,865.50 : x
2. Step 2: Convert to fraction form
   3,180.50/4,865.50 = 4,865.50/x
3. Step 3: Cross multiply
   3,180.50x = 4,865.50 × 4,865.50
4. Step 4: Simplify right side
   3,180.50x = 23,673,090.25
5. Step 5: Solve for x
   x = 23,673,090.25/3,180.50
6. Step 6: Final answer
   x = 7,443.20