Finding the Third Proportional to 155,684 and 240,816

Step by Step Solution

1. Step 1: Write the proportion equation
   155,684 : 240,816 = 240,816 : x
2. Step 2: Convert to fraction form
   155,684/240,816 = 240,816/x
3. Step 3: Cross multiply
   155,684x = 240,816 × 240,816
4. Step 4: Simplify right side
   155,684x = 57,992,345,856
5. Step 5: Solve for x
   x = 57,992,345,856/155,684
6. Step 6: Final answer
   x = 372,500.36