Finding the Third Proportional to 4,890 and 5,250

Step by Step Solution

1. Step 1: Write the proportion equation
   4,890 : 5,250 = 5,250 : x
2. Step 2: Convert to fraction form
   4,890/5,250 = 5,250/x
3. Step 3: Cross multiply
   4,890x = 5,250 × 5,250
4. Step 4: Simplify right side
   4,890x = 27,562,500
5. Step 5: Solve for x
   x = 27,562,500/4,890
6. Step 6: Final answer
   x = 5,636.50