Finding the Third Proportional to 8,646.75 and 20,953.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,646.75 : 20,953.69 = 20,953.69 : x
2. Step 2: Convert to fraction form
   8,646.75/20,953.69 = 20,953.69/x
3. Step 3: Cross multiply
   8,646.75x = 20,953.69 × 20,953.69
4. Step 4: Simplify right side
   8,646.75x = 439,057,019.85
5. Step 5: Solve for x
   x = 439,057,019.85/8,646.75
6. Step 6: Final answer
   x = 50,777.12