Finding the Third Proportional to 4,958 and 10,222

Step by Step Solution

1. Step 1: Write the proportion equation
   4,958 : 10,222 = 10,222 : x
2. Step 2: Convert to fraction form
   4,958/10,222 = 10,222/x
3. Step 3: Cross multiply
   4,958x = 10,222 × 10,222
4. Step 4: Simplify right side
   4,958x = 104,489,284
5. Step 5: Solve for x
   x = 104,489,284/4,958
6. Step 6: Final answer
   x = 21,074.89