Finding the Third Proportional to 2,106,878 and 4,550,056

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106,878 : 4,550,056 = 4,550,056 : x
2. Step 2: Convert to fraction form
   2,106,878/4,550,056 = 4,550,056/x
3. Step 3: Cross multiply
   2,106,878x = 4,550,056 × 4,550,056
4. Step 4: Simplify right side
   2,106,878x = 20,703,009,603,136
5. Step 5: Solve for x
   x = 20,703,009,603,136/2,106,878
6. Step 6: Final answer
   x = 9,826,392.23