Finding the Third Proportional to 19,171 and 42,806

Step by Step Solution

1. Step 1: Write the proportion equation
   19,171 : 42,806 = 42,806 : x
2. Step 2: Convert to fraction form
   19,171/42,806 = 42,806/x
3. Step 3: Cross multiply
   19,171x = 42,806 × 42,806
4. Step 4: Simplify right side
   19,171x = 1,832,353,636
5. Step 5: Solve for x
   x = 1,832,353,636/19,171
6. Step 6: Final answer
   x = 95,579.45