Finding the Third Proportional to 31,860 and 50,112

Step by Step Solution

1. Step 1: Write the proportion equation
   31,860 : 50,112 = 50,112 : x
2. Step 2: Convert to fraction form
   31,860/50,112 = 50,112/x
3. Step 3: Cross multiply
   31,860x = 50,112 × 50,112
4. Step 4: Simplify right side
   31,860x = 2,511,212,544
5. Step 5: Solve for x
   x = 2,511,212,544/31,860
6. Step 6: Final answer
   x = 78,820.23