Finding the Third Proportional to 3,376.69 and 7,180.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,376.69 : 7,180.31 = 7,180.31 : x
2. Step 2: Convert to fraction form
   3,376.69/7,180.31 = 7,180.31/x
3. Step 3: Cross multiply
   3,376.69x = 7,180.31 × 7,180.31
4. Step 4: Simplify right side
   3,376.69x = 51,556,887.60
5. Step 5: Solve for x
   x = 51,556,887.60/3,376.69
6. Step 6: Final answer
   x = 15,268.48