Finding the Third Proportional to 47,639 and 65,383

Step by Step Solution

1. Step 1: Write the proportion equation
   47,639 : 65,383 = 65,383 : x
2. Step 2: Convert to fraction form
   47,639/65,383 = 65,383/x
3. Step 3: Cross multiply
   47,639x = 65,383 × 65,383
4. Step 4: Simplify right side
   47,639x = 4,274,936,689
5. Step 5: Solve for x
   x = 4,274,936,689/47,639
6. Step 6: Final answer
   x = 89,736.07