Finding the Third Proportional to 67,477 and 145,171

Step by Step Solution

1. Step 1: Write the proportion equation
   67,477 : 145,171 = 145,171 : x
2. Step 2: Convert to fraction form
   67,477/145,171 = 145,171/x
3. Step 3: Cross multiply
   67,477x = 145,171 × 145,171
4. Step 4: Simplify right side
   67,477x = 21,074,619,241
5. Step 5: Solve for x
   x = 21,074,619,241/67,477
6. Step 6: Final answer
   x = 312,323.00