Finding the Third Proportional to 23,145.75 and 54,257.34

Step by Step Solution

1. Step 1: Write the proportion equation
   23,145.75 : 54,257.34 = 54,257.34 : x
2. Step 2: Convert to fraction form
   23,145.75/54,257.34 = 54,257.34/x
3. Step 3: Cross multiply
   23,145.75x = 54,257.34 × 54,257.34
4. Step 4: Simplify right side
   23,145.75x = 2,943,859,350.81
5. Step 5: Solve for x
   x = 2,943,859,350.81/23,145.75
6. Step 6: Final answer
   x = 127,187.90