Finding the Third Proportional to 67,065 and 145,019

Step by Step Solution

1. Step 1: Write the proportion equation
   67,065 : 145,019 = 145,019 : x
2. Step 2: Convert to fraction form
   67,065/145,019 = 145,019/x
3. Step 3: Cross multiply
   67,065x = 145,019 × 145,019
4. Step 4: Simplify right side
   67,065x = 21,030,510,361
5. Step 5: Solve for x
   x = 21,030,510,361/67,065
6. Step 6: Final answer
   x = 313,583.99