Finding the Third Proportional to 80,435 and 173,336

Step by Step Solution

1. Step 1: Write the proportion equation
   80,435 : 173,336 = 173,336 : x
2. Step 2: Convert to fraction form
   80,435/173,336 = 173,336/x
3. Step 3: Cross multiply
   80,435x = 173,336 × 173,336
4. Step 4: Simplify right side
   80,435x = 30,045,368,896
5. Step 5: Solve for x
   x = 30,045,368,896/80,435
6. Step 6: Final answer
   x = 373,536.01