Finding the Third Proportional to 25,990 and 41,856

Step by Step Solution

1. Step 1: Write the proportion equation
   25,990 : 41,856 = 41,856 : x
2. Step 2: Convert to fraction form
   25,990/41,856 = 41,856/x
3. Step 3: Cross multiply
   25,990x = 41,856 × 41,856
4. Step 4: Simplify right side
   25,990x = 1,751,924,736
5. Step 5: Solve for x
   x = 1,751,924,736/25,990
6. Step 6: Final answer
   x = 67,407.65