Finding the Third Proportional to 774,600 and 1,667,856

Step by Step Solution

1. Step 1: Write the proportion equation
   774,600 : 1,667,856 = 1,667,856 : x
2. Step 2: Convert to fraction form
   774,600/1,667,856 = 1,667,856/x
3. Step 3: Cross multiply
   774,600x = 1,667,856 × 1,667,856
4. Step 4: Simplify right side
   774,600x = 2,781,743,636,736
5. Step 5: Solve for x
   x = 2,781,743,636,736/774,600
6. Step 6: Final answer
   x = 3,591,200.15