Finding the Third Proportional to 4,591.69 and 8,570.81

Step by Step Solution

1. Step 1: Write the proportion equation
   4,591.69 : 8,570.81 = 8,570.81 : x
2. Step 2: Convert to fraction form
   4,591.69/8,570.81 = 8,570.81/x
3. Step 3: Cross multiply
   4,591.69x = 8,570.81 × 8,570.81
4. Step 4: Simplify right side
   4,591.69x = 73,458,826.91
5. Step 5: Solve for x
   x = 73,458,826.91/4,591.69
6. Step 6: Final answer
   x = 15,998.22