Finding the Third Proportional to 31,313.25 and 65,907

Step by Step Solution

1. Step 1: Write the proportion equation
   31,313.25 : 65,907 = 65,907 : x
2. Step 2: Convert to fraction form
   31,313.25/65,907 = 65,907/x
3. Step 3: Cross multiply
   31,313.25x = 65,907 × 65,907
4. Step 4: Simplify right side
   31,313.25x = 4,343,732,649
5. Step 5: Solve for x
   x = 4,343,732,649/31,313.25
6. Step 6: Final answer
   x = 138,718.68