Finding the Third Proportional to 65,400 and 145,604

Step by Step Solution

1. Step 1: Write the proportion equation
   65,400 : 145,604 = 145,604 : x
2. Step 2: Convert to fraction form
   65,400/145,604 = 145,604/x
3. Step 3: Cross multiply
   65,400x = 145,604 × 145,604
4. Step 4: Simplify right side
   65,400x = 21,200,524,816
5. Step 5: Solve for x
   x = 21,200,524,816/65,400
6. Step 6: Final answer
   x = 324,167.05