Finding the Third Proportional to 72,469 and 156,995

Step by Step Solution

1. Step 1: Write the proportion equation
   72,469 : 156,995 = 156,995 : x
2. Step 2: Convert to fraction form
   72,469/156,995 = 156,995/x
3. Step 3: Cross multiply
   72,469x = 156,995 × 156,995
4. Step 4: Simplify right side
   72,469x = 24,647,430,025
5. Step 5: Solve for x
   x = 24,647,430,025/72,469
6. Step 6: Final answer
   x = 340,109.98