Finding the Third Proportional to 67,592 and 139,467

Step by Step Solution

1. Step 1: Write the proportion equation
   67,592 : 139,467 = 139,467 : x
2. Step 2: Convert to fraction form
   67,592/139,467 = 139,467/x
3. Step 3: Cross multiply
   67,592x = 139,467 × 139,467
4. Step 4: Simplify right side
   67,592x = 19,451,044,089
5. Step 5: Solve for x
   x = 19,451,044,089/67,592
6. Step 6: Final answer
   x = 287,771.39