Finding the Third Proportional to 1,859,865 and 3,942,918

Step by Step Solution

1. Step 1: Write the proportion equation
   1,859,865 : 3,942,918 = 3,942,918 : x
2. Step 2: Convert to fraction form
   1,859,865/3,942,918 = 3,942,918/x
3. Step 3: Cross multiply
   1,859,865x = 3,942,918 × 3,942,918
4. Step 4: Simplify right side
   1,859,865x = 15,546,602,354,724
5. Step 5: Solve for x
   x = 15,546,602,354,724/1,859,865
6. Step 6: Final answer
   x = 8,358,995.06