Finding the Third Proportional to 67,258 and 144,884

Step by Step Solution

1. Step 1: Write the proportion equation
   67,258 : 144,884 = 144,884 : x
2. Step 2: Convert to fraction form
   67,258/144,884 = 144,884/x
3. Step 3: Cross multiply
   67,258x = 144,884 × 144,884
4. Step 4: Simplify right side
   67,258x = 20,991,373,456
5. Step 5: Solve for x
   x = 20,991,373,456/67,258
6. Step 6: Final answer
   x = 312,102.25