Finding the Third Proportional to 144,751.50 and 318,951

Step by Step Solution

1. Step 1: Write the proportion equation
   144,751.50 : 318,951 = 318,951 : x
2. Step 2: Convert to fraction form
   144,751.50/318,951 = 318,951/x
3. Step 3: Cross multiply
   144,751.50x = 318,951 × 318,951
4. Step 4: Simplify right side
   144,751.50x = 101,729,740,401
5. Step 5: Solve for x
   x = 101,729,740,401/144,751.50
6. Step 6: Final answer
   x = 702,788.85