Finding the Third Proportional to 105,157.50 and 158,990.25

Step by Step Solution

1. Step 1: Write the proportion equation
   105,157.50 : 158,990.25 = 158,990.25 : x
2. Step 2: Convert to fraction form
   105,157.50/158,990.25 = 158,990.25/x
3. Step 3: Cross multiply
   105,157.50x = 158,990.25 × 158,990.25
4. Step 4: Simplify right side
   105,157.50x = 25,277,899,595.06
5. Step 5: Solve for x
   x = 25,277,899,595.06/105,157.50
6. Step 6: Final answer
   x = 240,381.33