Finding the Third Proportional to 43,786.13 and 67,729.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,786.13 : 67,729.50 = 67,729.50 : x
2. Step 2: Convert to fraction form
   43,786.13/67,729.50 = 67,729.50/x
3. Step 3: Cross multiply
   43,786.13x = 67,729.50 × 67,729.50
4. Step 4: Simplify right side
   43,786.13x = 4,587,285,170.25
5. Step 5: Solve for x
   x = 4,587,285,170.25/43,786.13
6. Step 6: Final answer
   x = 104,765.73