Finding the Third Proportional to 2,019,946 and 4,354,772

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019,946 : 4,354,772 = 4,354,772 : x
2. Step 2: Convert to fraction form
   2,019,946/4,354,772 = 4,354,772/x
3. Step 3: Cross multiply
   2,019,946x = 4,354,772 × 4,354,772
4. Step 4: Simplify right side
   2,019,946x = 18,964,039,171,984
5. Step 5: Solve for x
   x = 18,964,039,171,984/2,019,946
6. Step 6: Final answer
   x = 9,388,389.18