Finding the Third Proportional to 13,873.78 and 15,514.03

Step by Step Solution

1. Step 1: Write the proportion equation
   13,873.78 : 15,514.03 = 15,514.03 : x
2. Step 2: Convert to fraction form
   13,873.78/15,514.03 = 15,514.03/x
3. Step 3: Cross multiply
   13,873.78x = 15,514.03 × 15,514.03
4. Step 4: Simplify right side
   13,873.78x = 240,685,165.63
5. Step 5: Solve for x
   x = 240,685,165.63/13,873.78
6. Step 6: Final answer
   x = 17,348.20