Finding the Third Proportional to 57,369 and 80,644.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,369 : 80,644.50 = 80,644.50 : x
2. Step 2: Convert to fraction form
   57,369/80,644.50 = 80,644.50/x
3. Step 3: Cross multiply
   57,369x = 80,644.50 × 80,644.50
4. Step 4: Simplify right side
   57,369x = 6,503,535,380.25
5. Step 5: Solve for x
   x = 6,503,535,380.25/57,369
6. Step 6: Final answer
   x = 113,363.23