Finding the Third Proportional to 12,130.75 and 25,719.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,130.75 : 25,719.25 = 25,719.25 : x
2. Step 2: Convert to fraction form
   12,130.75/25,719.25 = 25,719.25/x
3. Step 3: Cross multiply
   12,130.75x = 25,719.25 × 25,719.25
4. Step 4: Simplify right side
   12,130.75x = 661,479,820.56
5. Step 5: Solve for x
   x = 661,479,820.56/12,130.75
6. Step 6: Final answer
   x = 54,529.18