Finding the Third Proportional to 2,206,946 and 4,728,868

Step by Step Solution

1. Step 1: Write the proportion equation
   2,206,946 : 4,728,868 = 4,728,868 : x
2. Step 2: Convert to fraction form
   2,206,946/4,728,868 = 4,728,868/x
3. Step 3: Cross multiply
   2,206,946x = 4,728,868 × 4,728,868
4. Step 4: Simplify right side
   2,206,946x = 22,362,192,561,424
5. Step 5: Solve for x
   x = 22,362,192,561,424/2,206,946
6. Step 6: Final answer
   x = 10,132,641.47