Finding the Third Proportional to 67,530 and 148,019

Step by Step Solution

1. Step 1: Write the proportion equation
   67,530 : 148,019 = 148,019 : x
2. Step 2: Convert to fraction form
   67,530/148,019 = 148,019/x
3. Step 3: Cross multiply
   67,530x = 148,019 × 148,019
4. Step 4: Simplify right side
   67,530x = 21,909,624,361
5. Step 5: Solve for x
   x = 21,909,624,361/67,530
6. Step 6: Final answer
   x = 324,442.83