Finding the Third Proportional to 3,558 and 5,317.13

Step by Step Solution

1. Step 1: Write the proportion equation
   3,558 : 5,317.13 = 5,317.13 : x
2. Step 2: Convert to fraction form
   3,558/5,317.13 = 5,317.13/x
3. Step 3: Cross multiply
   3,558x = 5,317.13 × 5,317.13
4. Step 4: Simplify right side
   3,558x = 28,271,818.27
5. Step 5: Solve for x
   x = 28,271,818.27/3,558
6. Step 6: Final answer
   x = 7,945.99