Finding the Third Proportional to 23,112 and 54,391.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,112 : 54,391.50 = 54,391.50 : x
2. Step 2: Convert to fraction form
   23,112/54,391.50 = 54,391.50/x
3. Step 3: Cross multiply
   23,112x = 54,391.50 × 54,391.50
4. Step 4: Simplify right side
   23,112x = 2,958,435,272.25
5. Step 5: Solve for x
   x = 2,958,435,272.25/23,112
6. Step 6: Final answer
   x = 128,004.30