Finding the Third Proportional to 16,636 and 38,518

Step by Step Solution

1. Step 1: Write the proportion equation
   16,636 : 38,518 = 38,518 : x
2. Step 2: Convert to fraction form
   16,636/38,518 = 38,518/x
3. Step 3: Cross multiply
   16,636x = 38,518 × 38,518
4. Step 4: Simplify right side
   16,636x = 1,483,636,324
5. Step 5: Solve for x
   x = 1,483,636,324/16,636
6. Step 6: Final answer
   x = 89,182.27