Finding the Third Proportional to 34,158 and 50,739

Step by Step Solution

1. Step 1: Write the proportion equation
   34,158 : 50,739 = 50,739 : x
2. Step 2: Convert to fraction form
   34,158/50,739 = 50,739/x
3. Step 3: Cross multiply
   34,158x = 50,739 × 50,739
4. Step 4: Simplify right side
   34,158x = 2,574,446,121
5. Step 5: Solve for x
   x = 2,574,446,121/34,158
6. Step 6: Final answer
   x = 75,368.76