Finding the Third Proportional to 88,857 and 140,677

Step by Step Solution

1. Step 1: Write the proportion equation
   88,857 : 140,677 = 140,677 : x
2. Step 2: Convert to fraction form
   88,857/140,677 = 140,677/x
3. Step 3: Cross multiply
   88,857x = 140,677 × 140,677
4. Step 4: Simplify right side
   88,857x = 19,790,018,329
5. Step 5: Solve for x
   x = 19,790,018,329/88,857
6. Step 6: Final answer
   x = 222,717.61