Finding the Third Proportional to 4,871.25 and 10,350

Step by Step Solution

1. Step 1: Write the proportion equation
   4,871.25 : 10,350 = 10,350 : x
2. Step 2: Convert to fraction form
   4,871.25/10,350 = 10,350/x
3. Step 3: Cross multiply
   4,871.25x = 10,350 × 10,350
4. Step 4: Simplify right side
   4,871.25x = 107,122,500
5. Step 5: Solve for x
   x = 107,122,500/4,871.25
6. Step 6: Final answer
   x = 21,990.76