Finding the Third Proportional to 669,358.69 and 1,019,734.31

Step by Step Solution

1. Step 1: Write the proportion equation
   669,358.69 : 1,019,734.31 = 1,019,734.31 : x
2. Step 2: Convert to fraction form
   669,358.69/1,019,734.31 = 1,019,734.31/x
3. Step 3: Cross multiply
   669,358.69x = 1,019,734.31 × 1,019,734.31
4. Step 4: Simplify right side
   669,358.69x = 1,039,858,068,089.85
5. Step 5: Solve for x
   x = 1,039,858,068,089.85/669,358.69
6. Step 6: Final answer
   x = 1,553,513.96