Finding the Third Proportional to 11,881.69 and 12,906.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,881.69 : 12,906.84 = 12,906.84 : x
2. Step 2: Convert to fraction form
   11,881.69/12,906.84 = 12,906.84/x
3. Step 3: Cross multiply
   11,881.69x = 12,906.84 × 12,906.84
4. Step 4: Simplify right side
   11,881.69x = 166,586,615.59
5. Step 5: Solve for x
   x = 166,586,615.59/11,881.69
6. Step 6: Final answer
   x = 14,020.45