Finding the Third Proportional to 2,730.94 and 4,147.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,730.94 : 4,147.31 = 4,147.31 : x
2. Step 2: Convert to fraction form
   2,730.94/4,147.31 = 4,147.31/x
3. Step 3: Cross multiply
   2,730.94x = 4,147.31 × 4,147.31
4. Step 4: Simplify right side
   2,730.94x = 17,200,200.97
5. Step 5: Solve for x
   x = 17,200,200.97/2,730.94
6. Step 6: Final answer
   x = 6,298.28