Finding the Third Proportional to 13,118.63 and 18,447.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,118.63 : 18,447.75 = 18,447.75 : x
2. Step 2: Convert to fraction form
   13,118.63/18,447.75 = 18,447.75/x
3. Step 3: Cross multiply
   13,118.63x = 18,447.75 × 18,447.75
4. Step 4: Simplify right side
   13,118.63x = 340,319,480.06
5. Step 5: Solve for x
   x = 340,319,480.06/13,118.63
6. Step 6: Final answer
   x = 25,941.70