Finding the Third Proportional to 18,748.13 and 39,603.94

Step by Step Solution

1. Step 1: Write the proportion equation
   18,748.13 : 39,603.94 = 39,603.94 : x
2. Step 2: Convert to fraction form
   18,748.13/39,603.94 = 39,603.94/x
3. Step 3: Cross multiply
   18,748.13x = 39,603.94 × 39,603.94
4. Step 4: Simplify right side
   18,748.13x = 1,568,471,865.50
5. Step 5: Solve for x
   x = 1,568,471,865.50/18,748.13
6. Step 6: Final answer
   x = 83,660.20