Finding the Third Proportional to 72,648 and 153,951

Step by Step Solution

1. Step 1: Write the proportion equation
   72,648 : 153,951 = 153,951 : x
2. Step 2: Convert to fraction form
   72,648/153,951 = 153,951/x
3. Step 3: Cross multiply
   72,648x = 153,951 × 153,951
4. Step 4: Simplify right side
   72,648x = 23,700,910,401
5. Step 5: Solve for x
   x = 23,700,910,401/72,648
6. Step 6: Final answer
   x = 326,243.12