Finding the Third Proportional to 31,804 and 69,907

Step by Step Solution

1. Step 1: Write the proportion equation
   31,804 : 69,907 = 69,907 : x
2. Step 2: Convert to fraction form
   31,804/69,907 = 69,907/x
3. Step 3: Cross multiply
   31,804x = 69,907 × 69,907
4. Step 4: Simplify right side
   31,804x = 4,886,988,649
5. Step 5: Solve for x
   x = 4,886,988,649/31,804
6. Step 6: Final answer
   x = 153,659.56