Finding the Third Proportional to 40,217.25 and 86,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,217.25 : 86,667.50 = 86,667.50 : x
2. Step 2: Convert to fraction form
   40,217.25/86,667.50 = 86,667.50/x
3. Step 3: Cross multiply
   40,217.25x = 86,667.50 × 86,667.50
4. Step 4: Simplify right side
   40,217.25x = 7,511,255,556.25
5. Step 5: Solve for x
   x = 7,511,255,556.25/40,217.25
6. Step 6: Final answer
   x = 186,767.01