Finding the Third Proportional to 10,338.88 and 13,518.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,338.88 : 13,518.75 = 13,518.75 : x
2. Step 2: Convert to fraction form
   10,338.88/13,518.75 = 13,518.75/x
3. Step 3: Cross multiply
   10,338.88x = 13,518.75 × 13,518.75
4. Step 4: Simplify right side
   10,338.88x = 182,756,601.56
5. Step 5: Solve for x
   x = 182,756,601.56/10,338.88
6. Step 6: Final answer
   x = 17,676.64