Finding the Third Proportional to 597,384 and 1,289,856

Step by Step Solution

1. Step 1: Write the proportion equation
   597,384 : 1,289,856 = 1,289,856 : x
2. Step 2: Convert to fraction form
   597,384/1,289,856 = 1,289,856/x
3. Step 3: Cross multiply
   597,384x = 1,289,856 × 1,289,856
4. Step 4: Simplify right side
   597,384x = 1,663,728,500,736
5. Step 5: Solve for x
   x = 1,663,728,500,736/597,384
6. Step 6: Final answer
   x = 2,785,023.54