Finding the Third Proportional to 67,857 and 144,733

Step by Step Solution

1. Step 1: Write the proportion equation
   67,857 : 144,733 = 144,733 : x
2. Step 2: Convert to fraction form
   67,857/144,733 = 144,733/x
3. Step 3: Cross multiply
   67,857x = 144,733 × 144,733
4. Step 4: Simplify right side
   67,857x = 20,947,641,289
5. Step 5: Solve for x
   x = 20,947,641,289/67,857
6. Step 6: Final answer
   x = 308,702.73