Finding the Third Proportional to 119,965.50 and 262,530

Step by Step Solution

1. Step 1: Write the proportion equation
   119,965.50 : 262,530 = 262,530 : x
2. Step 2: Convert to fraction form
   119,965.50/262,530 = 262,530/x
3. Step 3: Cross multiply
   119,965.50x = 262,530 × 262,530
4. Step 4: Simplify right side
   119,965.50x = 68,922,000,900
5. Step 5: Solve for x
   x = 68,922,000,900/119,965.50
6. Step 6: Final answer
   x = 574,515.18