Finding the Third Proportional to 67,869 and 89,250

Step by Step Solution

1. Step 1: Write the proportion equation
   67,869 : 89,250 = 89,250 : x
2. Step 2: Convert to fraction form
   67,869/89,250 = 89,250/x
3. Step 3: Cross multiply
   67,869x = 89,250 × 89,250
4. Step 4: Simplify right side
   67,869x = 7,965,562,500
5. Step 5: Solve for x
   x = 7,965,562,500/67,869
6. Step 6: Final answer
   x = 117,366.73