Finding the Third Proportional to 5,570.86 and 8,328.23

Step by Step Solution

1. Step 1: Write the proportion equation
   5,570.86 : 8,328.23 = 8,328.23 : x
2. Step 2: Convert to fraction form
   5,570.86/8,328.23 = 8,328.23/x
3. Step 3: Cross multiply
   5,570.86x = 8,328.23 × 8,328.23
4. Step 4: Simplify right side
   5,570.86x = 69,359,487.80
5. Step 5: Solve for x
   x = 69,359,487.80/5,570.86
6. Step 6: Final answer
   x = 12,450.41