Finding the Third Proportional to 31,858 and 50,603

Step by Step Solution

1. Step 1: Write the proportion equation
   31,858 : 50,603 = 50,603 : x
2. Step 2: Convert to fraction form
   31,858/50,603 = 50,603/x
3. Step 3: Cross multiply
   31,858x = 50,603 × 50,603
4. Step 4: Simplify right side
   31,858x = 2,560,663,609
5. Step 5: Solve for x
   x = 2,560,663,609/31,858
6. Step 6: Final answer
   x = 80,377.41