Finding the Third Proportional to 2,890.69 and 5,890.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,890.69 : 5,890.22 = 5,890.22 : x
2. Step 2: Convert to fraction form
   2,890.69/5,890.22 = 5,890.22/x
3. Step 3: Cross multiply
   2,890.69x = 5,890.22 × 5,890.22
4. Step 4: Simplify right side
   2,890.69x = 34,694,676.92
5. Step 5: Solve for x
   x = 34,694,676.92/2,890.69
6. Step 6: Final answer
   x = 12,002.22