Finding the Third Proportional to 669,339 and 1,019,695

Step by Step Solution

1. Step 1: Write the proportion equation
   669,339 : 1,019,695 = 1,019,695 : x
2. Step 2: Convert to fraction form
   669,339/1,019,695 = 1,019,695/x
3. Step 3: Cross multiply
   669,339x = 1,019,695 × 1,019,695
4. Step 4: Simplify right side
   669,339x = 1,039,777,893,025
5. Step 5: Solve for x
   x = 1,039,777,893,025/669,339
6. Step 6: Final answer
   x = 1,553,439.88