Finding the Third Proportional to 15,877 and 33,940

Step by Step Solution

1. Step 1: Write the proportion equation
   15,877 : 33,940 = 33,940 : x
2. Step 2: Convert to fraction form
   15,877/33,940 = 33,940/x
3. Step 3: Cross multiply
   15,877x = 33,940 × 33,940
4. Step 4: Simplify right side
   15,877x = 1,151,923,600
5. Step 5: Solve for x
   x = 1,151,923,600/15,877
6. Step 6: Final answer
   x = 72,552.98