Finding the Third Proportional to 4,636.50 and 10,002.75

Step by Step Solution

1. Step 1: Write the proportion equation
   4,636.50 : 10,002.75 = 10,002.75 : x
2. Step 2: Convert to fraction form
   4,636.50/10,002.75 = 10,002.75/x
3. Step 3: Cross multiply
   4,636.50x = 10,002.75 × 10,002.75
4. Step 4: Simplify right side
   4,636.50x = 100,055,007.56
5. Step 5: Solve for x
   x = 100,055,007.56/4,636.50
6. Step 6: Final answer
   x = 21,579.86