Finding the Third Proportional to 67,234 and 144,836

Step by Step Solution

1. Step 1: Write the proportion equation
   67,234 : 144,836 = 144,836 : x
2. Step 2: Convert to fraction form
   67,234/144,836 = 144,836/x
3. Step 3: Cross multiply
   67,234x = 144,836 × 144,836
4. Step 4: Simplify right side
   67,234x = 20,977,466,896
5. Step 5: Solve for x
   x = 20,977,466,896/67,234
6. Step 6: Final answer
   x = 312,006.83