Finding the Third Proportional to 181,936.50 and 276,576

Step by Step Solution

1. Step 1: Write the proportion equation
   181,936.50 : 276,576 = 276,576 : x
2. Step 2: Convert to fraction form
   181,936.50/276,576 = 276,576/x
3. Step 3: Cross multiply
   181,936.50x = 276,576 × 276,576
4. Step 4: Simplify right side
   181,936.50x = 76,494,283,776
5. Step 5: Solve for x
   x = 76,494,283,776/181,936.50
6. Step 6: Final answer
   x = 420,444.96