Finding the Third Proportional to 50,591 and 72,878

Step by Step Solution

1. Step 1: Write the proportion equation
   50,591 : 72,878 = 72,878 : x
2. Step 2: Convert to fraction form
   50,591/72,878 = 72,878/x
3. Step 3: Cross multiply
   50,591x = 72,878 × 72,878
4. Step 4: Simplify right side
   50,591x = 5,311,202,884
5. Step 5: Solve for x
   x = 5,311,202,884/50,591
6. Step 6: Final answer
   x = 104,983.16