Finding the Third Proportional to 40,284 and 57,711

Step by Step Solution

1. Step 1: Write the proportion equation
   40,284 : 57,711 = 57,711 : x
2. Step 2: Convert to fraction form
   40,284/57,711 = 57,711/x
3. Step 3: Cross multiply
   40,284x = 57,711 × 57,711
4. Step 4: Simplify right side
   40,284x = 3,330,559,521
5. Step 5: Solve for x
   x = 3,330,559,521/40,284
6. Step 6: Final answer
   x = 82,676.98