Finding the Third Proportional to 19,633 and 42,425

Step by Step Solution

1. Step 1: Write the proportion equation
   19,633 : 42,425 = 42,425 : x
2. Step 2: Convert to fraction form
   19,633/42,425 = 42,425/x
3. Step 3: Cross multiply
   19,633x = 42,425 × 42,425
4. Step 4: Simplify right side
   19,633x = 1,799,880,625
5. Step 5: Solve for x
   x = 1,799,880,625/19,633
6. Step 6: Final answer
   x = 91,676.29