Finding the Third Proportional to 108,949.78 and 235,405.69

Step by Step Solution

1. Step 1: Write the proportion equation
   108,949.78 : 235,405.69 = 235,405.69 : x
2. Step 2: Convert to fraction form
   108,949.78/235,405.69 = 235,405.69/x
3. Step 3: Cross multiply
   108,949.78x = 235,405.69 × 235,405.69
4. Step 4: Simplify right side
   108,949.78x = 55,415,837,707.35
5. Step 5: Solve for x
   x = 55,415,837,707.35/108,949.78
6. Step 6: Final answer
   x = 508,636.52