Finding the Third Proportional to 159,786 and 248,440.50

Step by Step Solution

1. Step 1: Write the proportion equation
   159,786 : 248,440.50 = 248,440.50 : x
2. Step 2: Convert to fraction form
   159,786/248,440.50 = 248,440.50/x
3. Step 3: Cross multiply
   159,786x = 248,440.50 × 248,440.50
4. Step 4: Simplify right side
   159,786x = 61,722,682,040.25
5. Step 5: Solve for x
   x = 61,722,682,040.25/159,786
6. Step 6: Final answer
   x = 386,283.42