Finding the Third Proportional to 1,859,864 and 3,942,916

Step by Step Solution

1. Step 1: Write the proportion equation
   1,859,864 : 3,942,916 = 3,942,916 : x
2. Step 2: Convert to fraction form
   1,859,864/3,942,916 = 3,942,916/x
3. Step 3: Cross multiply
   1,859,864x = 3,942,916 × 3,942,916
4. Step 4: Simplify right side
   1,859,864x = 15,546,586,583,056
5. Step 5: Solve for x
   x = 15,546,586,583,056/1,859,864
6. Step 6: Final answer
   x = 8,358,991.08