Finding the Third Proportional to 3,224.81 and 5,590.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,224.81 : 5,590.69 = 5,590.69 : x
2. Step 2: Convert to fraction form
   3,224.81/5,590.69 = 5,590.69/x
3. Step 3: Cross multiply
   3,224.81x = 5,590.69 × 5,590.69
4. Step 4: Simplify right side
   3,224.81x = 31,255,786.72
5. Step 5: Solve for x
   x = 31,255,786.72/3,224.81
6. Step 6: Final answer
   x = 9,692.28