Finding the Third Proportional to 16,836 and 36,628.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,836 : 36,628.50 = 36,628.50 : x
2. Step 2: Convert to fraction form
   16,836/36,628.50 = 36,628.50/x
3. Step 3: Cross multiply
   16,836x = 36,628.50 × 36,628.50
4. Step 4: Simplify right side
   16,836x = 1,341,647,012.25
5. Step 5: Solve for x
   x = 1,341,647,012.25/16,836
6. Step 6: Final answer
   x = 79,689.18