Finding the Third Proportional to 156,049 and 248,329.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,049 : 248,329.50 = 248,329.50 : x
2. Step 2: Convert to fraction form
   156,049/248,329.50 = 248,329.50/x
3. Step 3: Cross multiply
   156,049x = 248,329.50 × 248,329.50
4. Step 4: Simplify right side
   156,049x = 61,667,540,570.25
5. Step 5: Solve for x
   x = 61,667,540,570.25/156,049
6. Step 6: Final answer
   x = 395,180.62