Finding the Third Proportional to 40,587 and 86,907

Step by Step Solution

1. Step 1: Write the proportion equation
   40,587 : 86,907 = 86,907 : x
2. Step 2: Convert to fraction form
   40,587/86,907 = 86,907/x
3. Step 3: Cross multiply
   40,587x = 86,907 × 86,907
4. Step 4: Simplify right side
   40,587x = 7,552,826,649
5. Step 5: Solve for x
   x = 7,552,826,649/40,587
6. Step 6: Final answer
   x = 186,089.80