Finding the Third Proportional to 2,690.30 and 5,792.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,690.30 : 5,792.77 = 5,792.77 : x
2. Step 2: Convert to fraction form
   2,690.30/5,792.77 = 5,792.77/x
3. Step 3: Cross multiply
   2,690.30x = 5,792.77 × 5,792.77
4. Step 4: Simplify right side
   2,690.30x = 33,556,133.59
5. Step 5: Solve for x
   x = 33,556,133.59/2,690.30
6. Step 6: Final answer
   x = 12,473.02