Finding the Third Proportional to 2,871,621 and 4,445,899

Step by Step Solution

1. Step 1: Write the proportion equation
   2,871,621 : 4,445,899 = 4,445,899 : x
2. Step 2: Convert to fraction form
   2,871,621/4,445,899 = 4,445,899/x
3. Step 3: Cross multiply
   2,871,621x = 4,445,899 × 4,445,899
4. Step 4: Simplify right side
   2,871,621x = 19,766,017,918,201
5. Step 5: Solve for x
   x = 19,766,017,918,201/2,871,621
6. Step 6: Final answer
   x = 6,883,226.55