Finding the Third Proportional to 38,869 and 83,685

Step by Step Solution

1. Step 1: Write the proportion equation
   38,869 : 83,685 = 83,685 : x
2. Step 2: Convert to fraction form
   38,869/83,685 = 83,685/x
3. Step 3: Cross multiply
   38,869x = 83,685 × 83,685
4. Step 4: Simplify right side
   38,869x = 7,003,179,225
5. Step 5: Solve for x
   x = 7,003,179,225/38,869
6. Step 6: Final answer
   x = 180,173.90