Finding the Third Proportional to 39,757.50 and 86,896.13

Step by Step Solution

1. Step 1: Write the proportion equation
   39,757.50 : 86,896.13 = 86,896.13 : x
2. Step 2: Convert to fraction form
   39,757.50/86,896.13 = 86,896.13/x
3. Step 3: Cross multiply
   39,757.50x = 86,896.13 × 86,896.13
4. Step 4: Simplify right side
   39,757.50x = 7,550,936,540.02
5. Step 5: Solve for x
   x = 7,550,936,540.02/39,757.50
6. Step 6: Final answer
   x = 189,924.83