Finding the Third Proportional to 17,938.13 and 39,105.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,938.13 : 39,105.56 = 39,105.56 : x
2. Step 2: Convert to fraction form
   17,938.13/39,105.56 = 39,105.56/x
3. Step 3: Cross multiply
   17,938.13x = 39,105.56 × 39,105.56
4. Step 4: Simplify right side
   17,938.13x = 1,529,245,018.44
5. Step 5: Solve for x
   x = 1,529,245,018.44/17,938.13
6. Step 6: Final answer
   x = 85,251.11