Finding the Third Proportional to 40,864 and 87,656

Step by Step Solution

1. Step 1: Write the proportion equation
   40,864 : 87,656 = 87,656 : x
2. Step 2: Convert to fraction form
   40,864/87,656 = 87,656/x
3. Step 3: Cross multiply
   40,864x = 87,656 × 87,656
4. Step 4: Simplify right side
   40,864x = 7,683,574,336
5. Step 5: Solve for x
   x = 7,683,574,336/40,864
6. Step 6: Final answer
   x = 188,027.95