Finding the Third Proportional to 72,676 and 155,860

Step by Step Solution

1. Step 1: Write the proportion equation
   72,676 : 155,860 = 155,860 : x
2. Step 2: Convert to fraction form
   72,676/155,860 = 155,860/x
3. Step 3: Cross multiply
   72,676x = 155,860 × 155,860
4. Step 4: Simplify right side
   72,676x = 24,292,339,600
5. Step 5: Solve for x
   x = 24,292,339,600/72,676
6. Step 6: Final answer
   x = 334,255.32