Finding the Third Proportional to 766,667 and 1,680,957

Step by Step Solution

1. Step 1: Write the proportion equation
   766,667 : 1,680,957 = 1,680,957 : x
2. Step 2: Convert to fraction form
   766,667/1,680,957 = 1,680,957/x
3. Step 3: Cross multiply
   766,667x = 1,680,957 × 1,680,957
4. Step 4: Simplify right side
   766,667x = 2,825,616,435,849
5. Step 5: Solve for x
   x = 2,825,616,435,849/766,667
6. Step 6: Final answer
   x = 3,685,585.05