Finding the Third Proportional to 17,718.75 and 27,658.13

Step by Step Solution

1. Step 1: Write the proportion equation
   17,718.75 : 27,658.13 = 27,658.13 : x
2. Step 2: Convert to fraction form
   17,718.75/27,658.13 = 27,658.13/x
3. Step 3: Cross multiply
   17,718.75x = 27,658.13 × 27,658.13
4. Step 4: Simplify right side
   17,718.75x = 764,971,878.52
5. Step 5: Solve for x
   x = 764,971,878.52/17,718.75
6. Step 6: Final answer
   x = 43,173.02