Finding the Third Proportional to 13,542 and 18,448.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,542 : 18,448.50 = 18,448.50 : x
2. Step 2: Convert to fraction form
   13,542/18,448.50 = 18,448.50/x
3. Step 3: Cross multiply
   13,542x = 18,448.50 × 18,448.50
4. Step 4: Simplify right side
   13,542x = 340,347,152.25
5. Step 5: Solve for x
   x = 340,347,152.25/13,542
6. Step 6: Final answer
   x = 25,132.71