Finding the Third Proportional to 37,720.05 and 79,936.56

Step by Step Solution

1. Step 1: Write the proportion equation
   37,720.05 : 79,936.56 = 79,936.56 : x
2. Step 2: Convert to fraction form
   37,720.05/79,936.56 = 79,936.56/x
3. Step 3: Cross multiply
   37,720.05x = 79,936.56 × 79,936.56
4. Step 4: Simplify right side
   37,720.05x = 6,389,853,399.81
5. Step 5: Solve for x
   x = 6,389,853,399.81/37,720.05
6. Step 6: Final answer
   x = 169,402.02