Finding the Third Proportional to 98,707 and 140,677.50

Step by Step Solution

1. Step 1: Write the proportion equation
   98,707 : 140,677.50 = 140,677.50 : x
2. Step 2: Convert to fraction form
   98,707/140,677.50 = 140,677.50/x
3. Step 3: Cross multiply
   98,707x = 140,677.50 × 140,677.50
4. Step 4: Simplify right side
   98,707x = 19,790,159,006.25
5. Step 5: Solve for x
   x = 19,790,159,006.25/98,707
6. Step 6: Final answer
   x = 200,493.98