Finding the Third Proportional to 17,518.25 and 27,198.63

Step by Step Solution

1. Step 1: Write the proportion equation
   17,518.25 : 27,198.63 = 27,198.63 : x
2. Step 2: Convert to fraction form
   17,518.25/27,198.63 = 27,198.63/x
3. Step 3: Cross multiply
   17,518.25x = 27,198.63 × 27,198.63
4. Step 4: Simplify right side
   17,518.25x = 739,765,201.89
5. Step 5: Solve for x
   x = 739,765,201.89/17,518.25
6. Step 6: Final answer
   x = 42,228.26