Finding the Third Proportional to 19,640 and 41,926

Step by Step Solution

1. Step 1: Write the proportion equation
   19,640 : 41,926 = 41,926 : x
2. Step 2: Convert to fraction form
   19,640/41,926 = 41,926/x
3. Step 3: Cross multiply
   19,640x = 41,926 × 41,926
4. Step 4: Simplify right side
   19,640x = 1,757,789,476
5. Step 5: Solve for x
   x = 1,757,789,476/19,640
6. Step 6: Final answer
   x = 89,500.48