Finding the Third Proportional to 253,554 and 550,890

Step by Step Solution

1. Step 1: Write the proportion equation
   253,554 : 550,890 = 550,890 : x
2. Step 2: Convert to fraction form
   253,554/550,890 = 550,890/x
3. Step 3: Cross multiply
   253,554x = 550,890 × 550,890
4. Step 4: Simplify right side
   253,554x = 303,479,792,100
5. Step 5: Solve for x
   x = 303,479,792,100/253,554
6. Step 6: Final answer
   x = 1,196,903.98