Finding the Third Proportional to 127,105 and 276,345

Step by Step Solution

1. Step 1: Write the proportion equation
   127,105 : 276,345 = 276,345 : x
2. Step 2: Convert to fraction form
   127,105/276,345 = 276,345/x
3. Step 3: Cross multiply
   127,105x = 276,345 × 276,345
4. Step 4: Simplify right side
   127,105x = 76,366,559,025
5. Step 5: Solve for x
   x = 76,366,559,025/127,105
6. Step 6: Final answer
   x = 600,814.75