Finding the Third Proportional to 3,866.06 and 7,180.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,866.06 : 7,180.31 = 7,180.31 : x
2. Step 2: Convert to fraction form
   3,866.06/7,180.31 = 7,180.31/x
3. Step 3: Cross multiply
   3,866.06x = 7,180.31 × 7,180.31
4. Step 4: Simplify right side
   3,866.06x = 51,556,887.60
5. Step 5: Solve for x
   x = 51,556,887.60/3,866.06
6. Step 6: Final answer
   x = 13,335.76