Finding the Third Proportional to 88,859 and 140,682

Step by Step Solution

1. Step 1: Write the proportion equation
   88,859 : 140,682 = 140,682 : x
2. Step 2: Convert to fraction form
   88,859/140,682 = 140,682/x
3. Step 3: Cross multiply
   88,859x = 140,682 × 140,682
4. Step 4: Simplify right side
   88,859x = 19,791,425,124
5. Step 5: Solve for x
   x = 19,791,425,124/88,859
6. Step 6: Final answer
   x = 222,728.43