Finding the Third Proportional to 4,887.28 and 10,647.56

Step by Step Solution

1. Step 1: Write the proportion equation
   4,887.28 : 10,647.56 = 10,647.56 : x
2. Step 2: Convert to fraction form
   4,887.28/10,647.56 = 10,647.56/x
3. Step 3: Cross multiply
   4,887.28x = 10,647.56 × 10,647.56
4. Step 4: Simplify right side
   4,887.28x = 113,370,587.19
5. Step 5: Solve for x
   x = 113,370,587.19/4,887.28
6. Step 6: Final answer
   x = 23,197.07