Finding the Third Proportional to 67,980 and 159,942

Step by Step Solution

1. Step 1: Write the proportion equation
   67,980 : 159,942 = 159,942 : x
2. Step 2: Convert to fraction form
   67,980/159,942 = 159,942/x
3. Step 3: Cross multiply
   67,980x = 159,942 × 159,942
4. Step 4: Simplify right side
   67,980x = 25,581,443,364
5. Step 5: Solve for x
   x = 25,581,443,364/67,980
6. Step 6: Final answer
   x = 376,308.38