Finding the Third Proportional to 137,831 and 300,274

Step by Step Solution

1. Step 1: Write the proportion equation
   137,831 : 300,274 = 300,274 : x
2. Step 2: Convert to fraction form
   137,831/300,274 = 300,274/x
3. Step 3: Cross multiply
   137,831x = 300,274 × 300,274
4. Step 4: Simplify right side
   137,831x = 90,164,475,076
5. Step 5: Solve for x
   x = 90,164,475,076/137,831
6. Step 6: Final answer
   x = 654,166.88