Finding the Third Proportional to 1,868,644 and 2,885,777

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868,644 : 2,885,777 = 2,885,777 : x
2. Step 2: Convert to fraction form
   1,868,644/2,885,777 = 2,885,777/x
3. Step 3: Cross multiply
   1,868,644x = 2,885,777 × 2,885,777
4. Step 4: Simplify right side
   1,868,644x = 8,327,708,893,729
5. Step 5: Solve for x
   x = 8,327,708,893,729/1,868,644
6. Step 6: Final answer
   x = 4,456,551.86