Finding the Third Proportional to 8,136 and 16,890

Step by Step Solution

1. Step 1: Write the proportion equation
   8,136 : 16,890 = 16,890 : x
2. Step 2: Convert to fraction form
   8,136/16,890 = 16,890/x
3. Step 3: Cross multiply
   8,136x = 16,890 × 16,890
4. Step 4: Simplify right side
   8,136x = 285,272,100
5. Step 5: Solve for x
   x = 285,272,100/8,136
6. Step 6: Final answer
   x = 35,062.94