Finding the Third Proportional to 39,158 and 83,856

Step by Step Solution

1. Step 1: Write the proportion equation
   39,158 : 83,856 = 83,856 : x
2. Step 2: Convert to fraction form
   39,158/83,856 = 83,856/x
3. Step 3: Cross multiply
   39,158x = 83,856 × 83,856
4. Step 4: Simplify right side
   39,158x = 7,031,828,736
5. Step 5: Solve for x
   x = 7,031,828,736/39,158
6. Step 6: Final answer
   x = 179,575.79