Finding the Third Proportional to 5,351.27 and 8,522.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,351.27 : 8,522.37 = 8,522.37 : x
2. Step 2: Convert to fraction form
   5,351.27/8,522.37 = 8,522.37/x
3. Step 3: Cross multiply
   5,351.27x = 8,522.37 × 8,522.37
4. Step 4: Simplify right side
   5,351.27x = 72,630,742.48
5. Step 5: Solve for x
   x = 72,630,742.48/5,351.27
6. Step 6: Final answer
   x = 13,572.61