Finding the Third Proportional to 121,042.69 and 247,429.69

Step by Step Solution

1. Step 1: Write the proportion equation
   121,042.69 : 247,429.69 = 247,429.69 : x
2. Step 2: Convert to fraction form
   121,042.69/247,429.69 = 247,429.69/x
3. Step 3: Cross multiply
   121,042.69x = 247,429.69 × 247,429.69
4. Step 4: Simplify right side
   121,042.69x = 61,221,450,256.35
5. Step 5: Solve for x
   x = 61,221,450,256.35/121,042.69
6. Step 6: Final answer
   x = 505,783.96