Finding the Third Proportional to 80,447 and 173,224

Step by Step Solution

1. Step 1: Write the proportion equation
   80,447 : 173,224 = 173,224 : x
2. Step 2: Convert to fraction form
   80,447/173,224 = 173,224/x
3. Step 3: Cross multiply
   80,447x = 173,224 × 173,224
4. Step 4: Simplify right side
   80,447x = 30,006,554,176
5. Step 5: Solve for x
   x = 30,006,554,176/80,447
6. Step 6: Final answer
   x = 372,997.80