Finding the Third Proportional to 9,809 and 10,903

Step by Step Solution

1. Step 1: Write the proportion equation
   9,809 : 10,903 = 10,903 : x
2. Step 2: Convert to fraction form
   9,809/10,903 = 10,903/x
3. Step 3: Cross multiply
   9,809x = 10,903 × 10,903
4. Step 4: Simplify right side
   9,809x = 118,875,409
5. Step 5: Solve for x
   x = 118,875,409/9,809
6. Step 6: Final answer
   x = 12,119.01