Finding the Third Proportional to 12,880.75 and 27,145.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,880.75 : 27,145.25 = 27,145.25 : x
2. Step 2: Convert to fraction form
   12,880.75/27,145.25 = 27,145.25/x
3. Step 3: Cross multiply
   12,880.75x = 27,145.25 × 27,145.25
4. Step 4: Simplify right side
   12,880.75x = 736,864,597.56
5. Step 5: Solve for x
   x = 736,864,597.56/12,880.75
6. Step 6: Final answer
   x = 57,206.65