Finding the Third Proportional to 72,018 and 156,951

Step by Step Solution

1. Step 1: Write the proportion equation
   72,018 : 156,951 = 156,951 : x
2. Step 2: Convert to fraction form
   72,018/156,951 = 156,951/x
3. Step 3: Cross multiply
   72,018x = 156,951 × 156,951
4. Step 4: Simplify right side
   72,018x = 24,633,616,401
5. Step 5: Solve for x
   x = 24,633,616,401/72,018
6. Step 6: Final answer
   x = 342,048.05