Finding the Third Proportional to 57,367.69 and 80,643.38

Step by Step Solution

1. Step 1: Write the proportion equation
   57,367.69 : 80,643.38 = 80,643.38 : x
2. Step 2: Convert to fraction form
   57,367.69/80,643.38 = 80,643.38/x
3. Step 3: Cross multiply
   57,367.69x = 80,643.38 × 80,643.38
4. Step 4: Simplify right side
   57,367.69x = 6,503,353,931.39
5. Step 5: Solve for x
   x = 6,503,353,931.39/57,367.69
6. Step 6: Final answer
   x = 113,362.66