Finding the Third Proportional to 294,919.31 and 645,033.38

Step by Step Solution

1. Step 1: Write the proportion equation
   294,919.31 : 645,033.38 = 645,033.38 : x
2. Step 2: Convert to fraction form
   294,919.31/645,033.38 = 645,033.38/x
3. Step 3: Cross multiply
   294,919.31x = 645,033.38 × 645,033.38
4. Step 4: Simplify right side
   294,919.31x = 416,068,054,863.89
5. Step 5: Solve for x
   x = 416,068,054,863.89/294,919.31
6. Step 6: Final answer
   x = 1,410,786.06