Finding the Third Proportional to 20,844 and 42,537

Step by Step Solution

1. Step 1: Write the proportion equation
   20,844 : 42,537 = 42,537 : x
2. Step 2: Convert to fraction form
   20,844/42,537 = 42,537/x
3. Step 3: Cross multiply
   20,844x = 42,537 × 42,537
4. Step 4: Simplify right side
   20,844x = 1,809,396,369
5. Step 5: Solve for x
   x = 1,809,396,369/20,844
6. Step 6: Final answer
   x = 86,806.58