Finding the Third Proportional to 17,218.69 and 37,738.13

Step by Step Solution

1. Step 1: Write the proportion equation
   17,218.69 : 37,738.13 = 37,738.13 : x
2. Step 2: Convert to fraction form
   17,218.69/37,738.13 = 37,738.13/x
3. Step 3: Cross multiply
   17,218.69x = 37,738.13 × 37,738.13
4. Step 4: Simplify right side
   17,218.69x = 1,424,166,078.52
5. Step 5: Solve for x
   x = 1,424,166,078.52/17,218.69
6. Step 6: Final answer
   x = 82,710.49