Finding the Third Proportional to 39,888 and 83,907

Step by Step Solution

1. Step 1: Write the proportion equation
   39,888 : 83,907 = 83,907 : x
2. Step 2: Convert to fraction form
   39,888/83,907 = 83,907/x
3. Step 3: Cross multiply
   39,888x = 83,907 × 83,907
4. Step 4: Simplify right side
   39,888x = 7,040,384,649
5. Step 5: Solve for x
   x = 7,040,384,649/39,888
6. Step 6: Final answer
   x = 176,503.83