Finding the Third Proportional to 67,656 and 137,904

Step by Step Solution

1. Step 1: Write the proportion equation
   67,656 : 137,904 = 137,904 : x
2. Step 2: Convert to fraction form
   67,656/137,904 = 137,904/x
3. Step 3: Cross multiply
   67,656x = 137,904 × 137,904
4. Step 4: Simplify right side
   67,656x = 19,017,513,216
5. Step 5: Solve for x
   x = 19,017,513,216/67,656
6. Step 6: Final answer
   x = 281,091.30