Finding the Third Proportional to 40,479.75 and 57,783.38

Step by Step Solution

1. Step 1: Write the proportion equation
   40,479.75 : 57,783.38 = 57,783.38 : x
2. Step 2: Convert to fraction form
   40,479.75/57,783.38 = 57,783.38/x
3. Step 3: Cross multiply
   40,479.75x = 57,783.38 × 57,783.38
4. Step 4: Simplify right side
   40,479.75x = 3,338,918,426.39
5. Step 5: Solve for x
   x = 3,338,918,426.39/40,479.75
6. Step 6: Final answer
   x = 82,483.67