Finding the Third Proportional to 72,980 and 156,874

Step by Step Solution

1. Step 1: Write the proportion equation
   72,980 : 156,874 = 156,874 : x
2. Step 2: Convert to fraction form
   72,980/156,874 = 156,874/x
3. Step 3: Cross multiply
   72,980x = 156,874 × 156,874
4. Step 4: Simplify right side
   72,980x = 24,609,451,876
5. Step 5: Solve for x
   x = 24,609,451,876/72,980
6. Step 6: Final answer
   x = 337,208.16