Finding the Third Proportional to 12,789 and 27,096.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,789 : 27,096.75 = 27,096.75 : x
2. Step 2: Convert to fraction form
   12,789/27,096.75 = 27,096.75/x
3. Step 3: Cross multiply
   12,789x = 27,096.75 × 27,096.75
4. Step 4: Simplify right side
   12,789x = 734,233,860.56
5. Step 5: Solve for x
   x = 734,233,860.56/12,789
6. Step 6: Final answer
   x = 57,411.36