Finding the Third Proportional to 18,272.25 and 39,961.69

Step by Step Solution

1. Step 1: Write the proportion equation
   18,272.25 : 39,961.69 = 39,961.69 : x
2. Step 2: Convert to fraction form
   18,272.25/39,961.69 = 39,961.69/x
3. Step 3: Cross multiply
   18,272.25x = 39,961.69 × 39,961.69
4. Step 4: Simplify right side
   18,272.25x = 1,596,936,467.85
5. Step 5: Solve for x
   x = 1,596,936,467.85/18,272.25
6. Step 6: Final answer
   x = 87,396.82