Finding the Third Proportional to 12,453.75 and 18,503.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,453.75 : 18,503.25 = 18,503.25 : x
2. Step 2: Convert to fraction form
   12,453.75/18,503.25 = 18,503.25/x
3. Step 3: Cross multiply
   12,453.75x = 18,503.25 × 18,503.25
4. Step 4: Simplify right side
   12,453.75x = 342,370,260.56
5. Step 5: Solve for x
   x = 342,370,260.56/12,453.75
6. Step 6: Final answer
   x = 27,491.34