Finding the Third Proportional to 67,410 and 144,996

Step by Step Solution

1. Step 1: Write the proportion equation
   67,410 : 144,996 = 144,996 : x
2. Step 2: Convert to fraction form
   67,410/144,996 = 144,996/x
3. Step 3: Cross multiply
   67,410x = 144,996 × 144,996
4. Step 4: Simplify right side
   67,410x = 21,023,840,016
5. Step 5: Solve for x
   x = 21,023,840,016/67,410
6. Step 6: Final answer
   x = 311,880.14