Finding the Third Proportional to 37,434 and 54,687

Step by Step Solution

1. Step 1: Write the proportion equation
   37,434 : 54,687 = 54,687 : x
2. Step 2: Convert to fraction form
   37,434/54,687 = 54,687/x
3. Step 3: Cross multiply
   37,434x = 54,687 × 54,687
4. Step 4: Simplify right side
   37,434x = 2,990,667,969
5. Step 5: Solve for x
   x = 2,990,667,969/37,434
6. Step 6: Final answer
   x = 79,891.76