Finding the Third Proportional to 67,462 and 137,245

Step by Step Solution

1. Step 1: Write the proportion equation
   67,462 : 137,245 = 137,245 : x
2. Step 2: Convert to fraction form
   67,462/137,245 = 137,245/x
3. Step 3: Cross multiply
   67,462x = 137,245 × 137,245
4. Step 4: Simplify right side
   67,462x = 18,836,190,025
5. Step 5: Solve for x
   x = 18,836,190,025/67,462
6. Step 6: Final answer
   x = 279,211.85