Finding the Third Proportional to 140,976 and 207,570

Step by Step Solution

1. Step 1: Write the proportion equation
   140,976 : 207,570 = 207,570 : x
2. Step 2: Convert to fraction form
   140,976/207,570 = 207,570/x
3. Step 3: Cross multiply
   140,976x = 207,570 × 207,570
4. Step 4: Simplify right side
   140,976x = 43,085,304,900
5. Step 5: Solve for x
   x = 43,085,304,900/140,976
6. Step 6: Final answer
   x = 305,621.56