Finding the Third Proportional to 1,445,838 and 3,140,918

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445,838 : 3,140,918 = 3,140,918 : x
2. Step 2: Convert to fraction form
   1,445,838/3,140,918 = 3,140,918/x
3. Step 3: Cross multiply
   1,445,838x = 3,140,918 × 3,140,918
4. Step 4: Simplify right side
   1,445,838x = 9,865,365,882,724
5. Step 5: Solve for x
   x = 9,865,365,882,724/1,445,838
6. Step 6: Final answer
   x = 6,823,285.79