Finding the Third Proportional to 57,404 and 80,860

Step by Step Solution

1. Step 1: Write the proportion equation
   57,404 : 80,860 = 80,860 : x
2. Step 2: Convert to fraction form
   57,404/80,860 = 80,860/x
3. Step 3: Cross multiply
   57,404x = 80,860 × 80,860
4. Step 4: Simplify right side
   57,404x = 6,538,339,600
5. Step 5: Solve for x
   x = 6,538,339,600/57,404
6. Step 6: Final answer
   x = 113,900.42