Finding the Third Proportional to 10,606.50 and 18,909

Step by Step Solution

1. Step 1: Write the proportion equation
   10,606.50 : 18,909 = 18,909 : x
2. Step 2: Convert to fraction form
   10,606.50/18,909 = 18,909/x
3. Step 3: Cross multiply
   10,606.50x = 18,909 × 18,909
4. Step 4: Simplify right side
   10,606.50x = 357,550,281
5. Step 5: Solve for x
   x = 357,550,281/10,606.50
6. Step 6: Final answer
   x = 33,710.49