Finding the Third Proportional to 12,715.88 and 25,777.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,715.88 : 25,777.69 = 25,777.69 : x
2. Step 2: Convert to fraction form
   12,715.88/25,777.69 = 25,777.69/x
3. Step 3: Cross multiply
   12,715.88x = 25,777.69 × 25,777.69
4. Step 4: Simplify right side
   12,715.88x = 664,489,172.85
5. Step 5: Solve for x
   x = 664,489,172.85/12,715.88
6. Step 6: Final answer
   x = 52,256.66