Finding the Third Proportional to 4,774.57 and 10,168.03

Step by Step Solution

1. Step 1: Write the proportion equation
   4,774.57 : 10,168.03 = 10,168.03 : x
2. Step 2: Convert to fraction form
   4,774.57/10,168.03 = 10,168.03/x
3. Step 3: Cross multiply
   4,774.57x = 10,168.03 × 10,168.03
4. Step 4: Simplify right side
   4,774.57x = 103,388,859.50
5. Step 5: Solve for x
   x = 103,388,859.50/4,774.57
6. Step 6: Final answer
   x = 21,654.07