Finding the Third Proportional to 39,869 and 59,805

Step by Step Solution

1. Step 1: Write the proportion equation
   39,869 : 59,805 = 59,805 : x
2. Step 2: Convert to fraction form
   39,869/59,805 = 59,805/x
3. Step 3: Cross multiply
   39,869x = 59,805 × 59,805
4. Step 4: Simplify right side
   39,869x = 3,576,638,025
5. Step 5: Solve for x
   x = 3,576,638,025/39,869
6. Step 6: Final answer
   x = 89,709.75