Finding the Third Proportional to 2,790 and 7,590

Step by Step Solution

1. Step 1: Write the proportion equation
   2,790 : 7,590 = 7,590 : x
2. Step 2: Convert to fraction form
   2,790/7,590 = 7,590/x
3. Step 3: Cross multiply
   2,790x = 7,590 × 7,590
4. Step 4: Simplify right side
   2,790x = 57,608,100
5. Step 5: Solve for x
   x = 57,608,100/2,790
6. Step 6: Final answer
   x = 20,648.06