Finding the Third Proportional to 19,682 and 42,436

Step by Step Solution

1. Step 1: Write the proportion equation
   19,682 : 42,436 = 42,436 : x
2. Step 2: Convert to fraction form
   19,682/42,436 = 42,436/x
3. Step 3: Cross multiply
   19,682x = 42,436 × 42,436
4. Step 4: Simplify right side
   19,682x = 1,800,814,096
5. Step 5: Solve for x
   x = 1,800,814,096/19,682
6. Step 6: Final answer
   x = 91,495.48