Finding the Third Proportional to 49,770 and 65,907

Step by Step Solution

1. Step 1: Write the proportion equation
   49,770 : 65,907 = 65,907 : x
2. Step 2: Convert to fraction form
   49,770/65,907 = 65,907/x
3. Step 3: Cross multiply
   49,770x = 65,907 × 65,907
4. Step 4: Simplify right side
   49,770x = 4,343,732,649
5. Step 5: Solve for x
   x = 4,343,732,649/49,770
6. Step 6: Final answer
   x = 87,276.12