Finding the Third Proportional to 12,003.19 and 16,245.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,003.19 : 16,245.56 = 16,245.56 : x
2. Step 2: Convert to fraction form
   12,003.19/16,245.56 = 16,245.56/x
3. Step 3: Cross multiply
   12,003.19x = 16,245.56 × 16,245.56
4. Step 4: Simplify right side
   12,003.19x = 263,918,300.94
5. Step 5: Solve for x
   x = 263,918,300.94/12,003.19
6. Step 6: Final answer
   x = 21,987.35