Finding the Third Proportional to 2,690.44 and 3,947.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,690.44 : 3,947.06 = 3,947.06 : x
2. Step 2: Convert to fraction form
   2,690.44/3,947.06 = 3,947.06/x
3. Step 3: Cross multiply
   2,690.44x = 3,947.06 × 3,947.06
4. Step 4: Simplify right side
   2,690.44x = 15,579,302.38
5. Step 5: Solve for x
   x = 15,579,302.38/2,690.44
6. Step 6: Final answer
   x = 5,790.62