Finding the Third Proportional to 37,839.75 and 81,112.69

Step by Step Solution

1. Step 1: Write the proportion equation
   37,839.75 : 81,112.69 = 81,112.69 : x
2. Step 2: Convert to fraction form
   37,839.75/81,112.69 = 81,112.69/x
3. Step 3: Cross multiply
   37,839.75x = 81,112.69 × 81,112.69
4. Step 4: Simplify right side
   37,839.75x = 6,579,268,073.47
5. Step 5: Solve for x
   x = 6,579,268,073.47/37,839.75
6. Step 6: Final answer
   x = 173,871.87