Finding the Third Proportional to 17,942.63 and 39,287.25

Step by Step Solution

1. Step 1: Write the proportion equation
   17,942.63 : 39,287.25 = 39,287.25 : x
2. Step 2: Convert to fraction form
   17,942.63/39,287.25 = 39,287.25/x
3. Step 3: Cross multiply
   17,942.63x = 39,287.25 × 39,287.25
4. Step 4: Simplify right side
   17,942.63x = 1,543,488,012.56
5. Step 5: Solve for x
   x = 1,543,488,012.56/17,942.63
6. Step 6: Final answer
   x = 86,023.53