Finding the Third Proportional to 164,424.94 and 355,078.69

Step by Step Solution

1. Step 1: Write the proportion equation
   164,424.94 : 355,078.69 = 355,078.69 : x
2. Step 2: Convert to fraction form
   164,424.94/355,078.69 = 355,078.69/x
3. Step 3: Cross multiply
   164,424.94x = 355,078.69 × 355,078.69
4. Step 4: Simplify right side
   164,424.94x = 126,080,874,316.72
5. Step 5: Solve for x
   x = 126,080,874,316.72/164,424.94
6. Step 6: Final answer
   x = 766,798.98