Finding the Third Proportional to 1,636,878 and 3,557,094

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636,878 : 3,557,094 = 3,557,094 : x
2. Step 2: Convert to fraction form
   1,636,878/3,557,094 = 3,557,094/x
3. Step 3: Cross multiply
   1,636,878x = 3,557,094 × 3,557,094
4. Step 4: Simplify right side
   1,636,878x = 12,652,917,724,836
5. Step 5: Solve for x
   x = 12,652,917,724,836/1,636,878
6. Step 6: Final answer
   x = 7,729,908.84