Finding the Third Proportional to 87,856 and 188,104

Step by Step Solution

1. Step 1: Write the proportion equation
   87,856 : 188,104 = 188,104 : x
2. Step 2: Convert to fraction form
   87,856/188,104 = 188,104/x
3. Step 3: Cross multiply
   87,856x = 188,104 × 188,104
4. Step 4: Simplify right side
   87,856x = 35,383,114,816
5. Step 5: Solve for x
   x = 35,383,114,816/87,856
6. Step 6: Final answer
   x = 402,739.88