Finding the Third Proportional to 105,080.25 and 228,021

Step by Step Solution

1. Step 1: Write the proportion equation
   105,080.25 : 228,021 = 228,021 : x
2. Step 2: Convert to fraction form
   105,080.25/228,021 = 228,021/x
3. Step 3: Cross multiply
   105,080.25x = 228,021 × 228,021
4. Step 4: Simplify right side
   105,080.25x = 51,993,576,441
5. Step 5: Solve for x
   x = 51,993,576,441/105,080.25
6. Step 6: Final answer
   x = 494,798.75