Finding the Third Proportional to 2,690.50 and 5,806

Step by Step Solution

1. Step 1: Write the proportion equation
   2,690.50 : 5,806 = 5,806 : x
2. Step 2: Convert to fraction form
   2,690.50/5,806 = 5,806/x
3. Step 3: Cross multiply
   2,690.50x = 5,806 × 5,806
4. Step 4: Simplify right side
   2,690.50x = 33,709,636
5. Step 5: Solve for x
   x = 33,709,636/2,690.50
6. Step 6: Final answer
   x = 12,529.13