Finding the Third Proportional to 13,749.75 and 20,617.03

Step by Step Solution

1. Step 1: Write the proportion equation
   13,749.75 : 20,617.03 = 20,617.03 : x
2. Step 2: Convert to fraction form
   13,749.75/20,617.03 = 20,617.03/x
3. Step 3: Cross multiply
   13,749.75x = 20,617.03 × 20,617.03
4. Step 4: Simplify right side
   13,749.75x = 425,061,977.56
5. Step 5: Solve for x
   x = 425,061,977.56/13,749.75
6. Step 6: Final answer
   x = 30,914.16