Finding the Third Proportional to 67,860 and 144,735

Step by Step Solution

1. Step 1: Write the proportion equation
   67,860 : 144,735 = 144,735 : x
2. Step 2: Convert to fraction form
   67,860/144,735 = 144,735/x
3. Step 3: Cross multiply
   67,860x = 144,735 × 144,735
4. Step 4: Simplify right side
   67,860x = 20,948,220,225
5. Step 5: Solve for x
   x = 20,948,220,225/67,860
6. Step 6: Final answer
   x = 308,697.62