Finding the Third Proportional to 3,591.69 and 5,391.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,591.69 : 5,391.88 = 5,391.88 : x
2. Step 2: Convert to fraction form
   3,591.69/5,391.88 = 5,391.88/x
3. Step 3: Cross multiply
   3,591.69x = 5,391.88 × 5,391.88
4. Step 4: Simplify right side
   3,591.69x = 29,072,316.02
5. Step 5: Solve for x
   x = 29,072,316.02/3,591.69
6. Step 6: Final answer
   x = 8,094.33