Finding the Third Proportional to 237,760 and 495,440

Step by Step Solution

1. Step 1: Write the proportion equation
   237,760 : 495,440 = 495,440 : x
2. Step 2: Convert to fraction form
   237,760/495,440 = 495,440/x
3. Step 3: Cross multiply
   237,760x = 495,440 × 495,440
4. Step 4: Simplify right side
   237,760x = 245,460,793,600
5. Step 5: Solve for x
   x = 245,460,793,600/237,760
6. Step 6: Final answer
   x = 1,032,388.94