Finding the Third Proportional to 224,734 and 486,890

Step by Step Solution

1. Step 1: Write the proportion equation
   224,734 : 486,890 = 486,890 : x
2. Step 2: Convert to fraction form
   224,734/486,890 = 486,890/x
3. Step 3: Cross multiply
   224,734x = 486,890 × 486,890
4. Step 4: Simplify right side
   224,734x = 237,061,872,100
5. Step 5: Solve for x
   x = 237,061,872,100/224,734
6. Step 6: Final answer
   x = 1,054,855.39