Finding the Third Proportional to 906,698 and 1,878,916

Step by Step Solution

1. Step 1: Write the proportion equation
   906,698 : 1,878,916 = 1,878,916 : x
2. Step 2: Convert to fraction form
   906,698/1,878,916 = 1,878,916/x
3. Step 3: Cross multiply
   906,698x = 1,878,916 × 1,878,916
4. Step 4: Simplify right side
   906,698x = 3,530,325,335,056
5. Step 5: Solve for x
   x = 3,530,325,335,056/906,698
6. Step 6: Final answer
   x = 3,893,606.62