Finding the Third Proportional to 9,477 and 19,728.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,477 : 19,728.56 = 19,728.56 : x
2. Step 2: Convert to fraction form
   9,477/19,728.56 = 19,728.56/x
3. Step 3: Cross multiply
   9,477x = 19,728.56 × 19,728.56
4. Step 4: Simplify right side
   9,477x = 389,216,178.32
5. Step 5: Solve for x
   x = 389,216,178.32/9,477
6. Step 6: Final answer
   x = 41,069.56