Finding the Third Proportional to 118,774.69 and 247,345.31

Step by Step Solution

1. Step 1: Write the proportion equation
   118,774.69 : 247,345.31 = 247,345.31 : x
2. Step 2: Convert to fraction form
   118,774.69/247,345.31 = 247,345.31/x
3. Step 3: Cross multiply
   118,774.69x = 247,345.31 × 247,345.31
4. Step 4: Simplify right side
   118,774.69x = 61,179,703,615.72
5. Step 5: Solve for x
   x = 61,179,703,615.72/118,774.69
6. Step 6: Final answer
   x = 515,090.42