Finding the Third Proportional to 797,638 and 1,707,380

Step by Step Solution

1. Step 1: Write the proportion equation
   797,638 : 1,707,380 = 1,707,380 : x
2. Step 2: Convert to fraction form
   797,638/1,707,380 = 1,707,380/x
3. Step 3: Cross multiply
   797,638x = 1,707,380 × 1,707,380
4. Step 4: Simplify right side
   797,638x = 2,915,146,464,400
5. Step 5: Solve for x
   x = 2,915,146,464,400/797,638
6. Step 6: Final answer
   x = 3,654,723.65