Finding the Third Proportional to 11,906 and 28,805

Step by Step Solution

1. Step 1: Write the proportion equation
   11,906 : 28,805 = 28,805 : x
2. Step 2: Convert to fraction form
   11,906/28,805 = 28,805/x
3. Step 3: Cross multiply
   11,906x = 28,805 × 28,805
4. Step 4: Simplify right side
   11,906x = 829,728,025
5. Step 5: Solve for x
   x = 829,728,025/11,906
6. Step 6: Final answer
   x = 69,689.91