Finding the Third Proportional to 40,890 and 52,907

Step by Step Solution

1. Step 1: Write the proportion equation
   40,890 : 52,907 = 52,907 : x
2. Step 2: Convert to fraction form
   40,890/52,907 = 52,907/x
3. Step 3: Cross multiply
   40,890x = 52,907 × 52,907
4. Step 4: Simplify right side
   40,890x = 2,799,150,649
5. Step 5: Solve for x
   x = 2,799,150,649/40,890
6. Step 6: Final answer
   x = 68,455.63