Finding the Third Proportional to 11,508 and 18,910

Step by Step Solution

1. Step 1: Write the proportion equation
   11,508 : 18,910 = 18,910 : x
2. Step 2: Convert to fraction form
   11,508/18,910 = 18,910/x
3. Step 3: Cross multiply
   11,508x = 18,910 × 18,910
4. Step 4: Simplify right side
   11,508x = 357,588,100
5. Step 5: Solve for x
   x = 357,588,100/11,508
6. Step 6: Final answer
   x = 31,073.00