Finding the Third Proportional to 50,912 and 76,928

Step by Step Solution

1. Step 1: Write the proportion equation
   50,912 : 76,928 = 76,928 : x
2. Step 2: Convert to fraction form
   50,912/76,928 = 76,928/x
3. Step 3: Cross multiply
   50,912x = 76,928 × 76,928
4. Step 4: Simplify right side
   50,912x = 5,917,917,184
5. Step 5: Solve for x
   x = 5,917,917,184/50,912
6. Step 6: Final answer
   x = 116,238.16