Finding the Third Proportional to 228,432 and 490,884

Step by Step Solution

1. Step 1: Write the proportion equation
   228,432 : 490,884 = 490,884 : x
2. Step 2: Convert to fraction form
   228,432/490,884 = 490,884/x
3. Step 3: Cross multiply
   228,432x = 490,884 × 490,884
4. Step 4: Simplify right side
   228,432x = 240,967,101,456
5. Step 5: Solve for x
   x = 240,967,101,456/228,432
6. Step 6: Final answer
   x = 1,054,874.54