Finding the Third Proportional to 7,279.88 and 11,250.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,279.88 : 11,250.56 = 11,250.56 : x
2. Step 2: Convert to fraction form
   7,279.88/11,250.56 = 11,250.56/x
3. Step 3: Cross multiply
   7,279.88x = 11,250.56 × 11,250.56
4. Step 4: Simplify right side
   7,279.88x = 126,575,156.57
5. Step 5: Solve for x
   x = 126,575,156.57/7,279.88
6. Step 6: Final answer
   x = 17,387.00