Finding the Third Proportional to 261,324.50 and 554,048

Step by Step Solution

1. Step 1: Write the proportion equation
   261,324.50 : 554,048 = 554,048 : x
2. Step 2: Convert to fraction form
   261,324.50/554,048 = 554,048/x
3. Step 3: Cross multiply
   261,324.50x = 554,048 × 554,048
4. Step 4: Simplify right side
   261,324.50x = 306,969,186,304
5. Step 5: Solve for x
   x = 306,969,186,304/261,324.50
6. Step 6: Final answer
   x = 1,174,666.69