Finding the Third Proportional to 89,682.75 and 140,699.25

Step by Step Solution

1. Step 1: Write the proportion equation
   89,682.75 : 140,699.25 = 140,699.25 : x
2. Step 2: Convert to fraction form
   89,682.75/140,699.25 = 140,699.25/x
3. Step 3: Cross multiply
   89,682.75x = 140,699.25 × 140,699.25
4. Step 4: Simplify right side
   89,682.75x = 19,796,278,950.56
5. Step 5: Solve for x
   x = 19,796,278,950.56/89,682.75
6. Step 6: Final answer
   x = 220,736.75