Finding the Third Proportional to 2,890.69 and 5,443.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,890.69 : 5,443.45 = 5,443.45 : x
2. Step 2: Convert to fraction form
   2,890.69/5,443.45 = 5,443.45/x
3. Step 3: Cross multiply
   2,890.69x = 5,443.45 × 5,443.45
4. Step 4: Simplify right side
   2,890.69x = 29,631,181.92
5. Step 5: Solve for x
   x = 29,631,181.92/2,890.69
6. Step 6: Final answer
   x = 10,250.57