Finding the Third Proportional to 224,640 and 494,208

Step by Step Solution

1. Step 1: Write the proportion equation
   224,640 : 494,208 = 494,208 : x
2. Step 2: Convert to fraction form
   224,640/494,208 = 494,208/x
3. Step 3: Cross multiply
   224,640x = 494,208 × 494,208
4. Step 4: Simplify right side
   224,640x = 244,241,547,264
5. Step 5: Solve for x
   x = 244,241,547,264/224,640
6. Step 6: Final answer
   x = 1,087,257.60