Finding the Third Proportional to 39,185.75 and 88,689.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,185.75 : 88,689.75 = 88,689.75 : x
2. Step 2: Convert to fraction form
   39,185.75/88,689.75 = 88,689.75/x
3. Step 3: Cross multiply
   39,185.75x = 88,689.75 × 88,689.75
4. Step 4: Simplify right side
   39,185.75x = 7,865,871,755.06
5. Step 5: Solve for x
   x = 7,865,871,755.06/39,185.75
6. Step 6: Final answer
   x = 200,732.96