Finding the Third Proportional to 39,806.44 and 55,771.03

Step by Step Solution

1. Step 1: Write the proportion equation
   39,806.44 : 55,771.03 = 55,771.03 : x
2. Step 2: Convert to fraction form
   39,806.44/55,771.03 = 55,771.03/x
3. Step 3: Cross multiply
   39,806.44x = 55,771.03 × 55,771.03
4. Step 4: Simplify right side
   39,806.44x = 3,110,407,926.69
5. Step 5: Solve for x
   x = 3,110,407,926.69/39,806.44
6. Step 6: Final answer
   x = 78,138.31