Finding the Third Proportional to 40,783.88 and 57,433.69

Step by Step Solution

1. Step 1: Write the proportion equation
   40,783.88 : 57,433.69 = 57,433.69 : x
2. Step 2: Convert to fraction form
   40,783.88/57,433.69 = 57,433.69/x
3. Step 3: Cross multiply
   40,783.88x = 57,433.69 × 57,433.69
4. Step 4: Simplify right side
   40,783.88x = 3,298,628,459.85
5. Step 5: Solve for x
   x = 3,298,628,459.85/40,783.88
6. Step 6: Final answer
   x = 80,880.70