Finding the Third Proportional to 95,640 and 140,388

Step by Step Solution

1. Step 1: Write the proportion equation
   95,640 : 140,388 = 140,388 : x
2. Step 2: Convert to fraction form
   95,640/140,388 = 140,388/x
3. Step 3: Cross multiply
   95,640x = 140,388 × 140,388
4. Step 4: Simplify right side
   95,640x = 19,708,790,544
5. Step 5: Solve for x
   x = 19,708,790,544/95,640
6. Step 6: Final answer
   x = 206,072.67