Finding the Third Proportional to 39,256 and 86,000

Step by Step Solution

1. Step 1: Write the proportion equation
   39,256 : 86,000 = 86,000 : x
2. Step 2: Convert to fraction form
   39,256/86,000 = 86,000/x
3. Step 3: Cross multiply
   39,256x = 86,000 × 86,000
4. Step 4: Simplify right side
   39,256x = 7,396,000,000
5. Step 5: Solve for x
   x = 7,396,000,000/39,256
6. Step 6: Final answer
   x = 188,404.32