Finding the Third Proportional to 41,772 and 57,282

Step by Step Solution

1. Step 1: Write the proportion equation
   41,772 : 57,282 = 57,282 : x
2. Step 2: Convert to fraction form
   41,772/57,282 = 57,282/x
3. Step 3: Cross multiply
   41,772x = 57,282 × 57,282
4. Step 4: Simplify right side
   41,772x = 3,281,227,524
5. Step 5: Solve for x
   x = 3,281,227,524/41,772
6. Step 6: Final answer
   x = 78,550.88