Finding the Third Proportional to 8,775.56 and 20,716.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,775.56 : 20,716.31 = 20,716.31 : x
2. Step 2: Convert to fraction form
   8,775.56/20,716.31 = 20,716.31/x
3. Step 3: Cross multiply
   8,775.56x = 20,716.31 × 20,716.31
4. Step 4: Simplify right side
   8,775.56x = 429,165,603.60
5. Step 5: Solve for x
   x = 429,165,603.60/8,775.56
6. Step 6: Final answer
   x = 48,904.63