Finding the Third Proportional to 12,723.75 and 20,076.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,723.75 : 20,076.75 = 20,076.75 : x
2. Step 2: Convert to fraction form
   12,723.75/20,076.75 = 20,076.75/x
3. Step 3: Cross multiply
   12,723.75x = 20,076.75 × 20,076.75
4. Step 4: Simplify right side
   12,723.75x = 403,075,890.56
5. Step 5: Solve for x
   x = 403,075,890.56/12,723.75
6. Step 6: Final answer
   x = 31,679.02