Finding the Third Proportional to 43,856 and 67,928

Step by Step Solution

1. Step 1: Write the proportion equation
   43,856 : 67,928 = 67,928 : x
2. Step 2: Convert to fraction form
   43,856/67,928 = 67,928/x
3. Step 3: Cross multiply
   43,856x = 67,928 × 67,928
4. Step 4: Simplify right side
   43,856x = 4,614,213,184
5. Step 5: Solve for x
   x = 4,614,213,184/43,856
6. Step 6: Final answer
   x = 105,212.81