Finding the Third Proportional to 178,779 and 246,268.50

Step by Step Solution

1. Step 1: Write the proportion equation
   178,779 : 246,268.50 = 246,268.50 : x
2. Step 2: Convert to fraction form
   178,779/246,268.50 = 246,268.50/x
3. Step 3: Cross multiply
   178,779x = 246,268.50 × 246,268.50
4. Step 4: Simplify right side
   178,779x = 60,648,174,092.25
5. Step 5: Solve for x
   x = 60,648,174,092.25/178,779
6. Step 6: Final answer
   x = 339,235.45