Finding the Third Proportional to 41,681.25 and 86,136.75

Step by Step Solution

1. Step 1: Write the proportion equation
   41,681.25 : 86,136.75 = 86,136.75 : x
2. Step 2: Convert to fraction form
   41,681.25/86,136.75 = 86,136.75/x
3. Step 3: Cross multiply
   41,681.25x = 86,136.75 × 86,136.75
4. Step 4: Simplify right side
   41,681.25x = 7,419,539,700.56
5. Step 5: Solve for x
   x = 7,419,539,700.56/41,681.25
6. Step 6: Final answer
   x = 178,006.65