Finding the Third Proportional to 31,992.75 and 74,739.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,992.75 : 74,739.38 = 74,739.38 : x
2. Step 2: Convert to fraction form
   31,992.75/74,739.38 = 74,739.38/x
3. Step 3: Cross multiply
   31,992.75x = 74,739.38 × 74,739.38
4. Step 4: Simplify right side
   31,992.75x = 5,585,974,175.39
5. Step 5: Solve for x
   x = 5,585,974,175.39/31,992.75
6. Step 6: Final answer
   x = 174,601.25