Finding the Third Proportional to 1,859,877 and 3,942,945

Step by Step Solution

1. Step 1: Write the proportion equation
   1,859,877 : 3,942,945 = 3,942,945 : x
2. Step 2: Convert to fraction form
   1,859,877/3,942,945 = 3,942,945/x
3. Step 3: Cross multiply
   1,859,877x = 3,942,945 × 3,942,945
4. Step 4: Simplify right side
   1,859,877x = 15,546,815,273,025
5. Step 5: Solve for x
   x = 15,546,815,273,025/1,859,877
6. Step 6: Final answer
   x = 8,359,055.61