Finding the Third Proportional to 12,408.75 and 18,248.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,408.75 : 18,248.63 = 18,248.63 : x
2. Step 2: Convert to fraction form
   12,408.75/18,248.63 = 18,248.63/x
3. Step 3: Cross multiply
   12,408.75x = 18,248.63 × 18,248.63
4. Step 4: Simplify right side
   12,408.75x = 333,012,314.39
5. Step 5: Solve for x
   x = 333,012,314.39/12,408.75
6. Step 6: Final answer
   x = 26,836.89