Finding the Third Proportional to 2,939.73 and 4,487.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,939.73 : 4,487.43 = 4,487.43 : x
2. Step 2: Convert to fraction form
   2,939.73/4,487.43 = 4,487.43/x
3. Step 3: Cross multiply
   2,939.73x = 4,487.43 × 4,487.43
4. Step 4: Simplify right side
   2,939.73x = 20,137,042.73
5. Step 5: Solve for x
   x = 20,137,042.73/2,939.73
6. Step 6: Final answer
   x = 6,849.96