Finding the Third Proportional to 10,434 and 11,910

Step by Step Solution

1. Step 1: Write the proportion equation
   10,434 : 11,910 = 11,910 : x
2. Step 2: Convert to fraction form
   10,434/11,910 = 11,910/x
3. Step 3: Cross multiply
   10,434x = 11,910 × 11,910
4. Step 4: Simplify right side
   10,434x = 141,848,100
5. Step 5: Solve for x
   x = 141,848,100/10,434
6. Step 6: Final answer
   x = 13,594.80