Finding the Third Proportional to 105,210 and 158,907

Step by Step Solution

1. Step 1: Write the proportion equation
   105,210 : 158,907 = 158,907 : x
2. Step 2: Convert to fraction form
   105,210/158,907 = 158,907/x
3. Step 3: Cross multiply
   105,210x = 158,907 × 158,907
4. Step 4: Simplify right side
   105,210x = 25,251,434,649
5. Step 5: Solve for x
   x = 25,251,434,649/105,210
6. Step 6: Final answer
   x = 240,009.83