Finding the Third Proportional to 10,988.16 and 17,514.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,988.16 : 17,514.98 = 17,514.98 : x
2. Step 2: Convert to fraction form
   10,988.16/17,514.98 = 17,514.98/x
3. Step 3: Cross multiply
   10,988.16x = 17,514.98 × 17,514.98
4. Step 4: Simplify right side
   10,988.16x = 306,774,677.66
5. Step 5: Solve for x
   x = 306,774,677.66/10,988.16
6. Step 6: Final answer
   x = 27,918.67