Finding the Third Proportional to 80,866 and 173,636

Step by Step Solution

1. Step 1: Write the proportion equation
   80,866 : 173,636 = 173,636 : x
2. Step 2: Convert to fraction form
   80,866/173,636 = 173,636/x
3. Step 3: Cross multiply
   80,866x = 173,636 × 173,636
4. Step 4: Simplify right side
   80,866x = 30,149,460,496
5. Step 5: Solve for x
   x = 30,149,460,496/80,866
6. Step 6: Final answer
   x = 372,832.35