Finding the Third Proportional to 294,904.55 and 645,004.27

Step by Step Solution

1. Step 1: Write the proportion equation
   294,904.55 : 645,004.27 = 645,004.27 : x
2. Step 2: Convert to fraction form
   294,904.55/645,004.27 = 645,004.27/x
3. Step 3: Cross multiply
   294,904.55x = 645,004.27 × 645,004.27
4. Step 4: Simplify right side
   294,904.55x = 416,030,502,674.45
5. Step 5: Solve for x
   x = 416,030,502,674.45/294,904.55
6. Step 6: Final answer
   x = 1,410,729.36