Finding the Third Proportional to 1,354,378 and 2,820,856

Step by Step Solution

1. Step 1: Write the proportion equation
   1,354,378 : 2,820,856 = 2,820,856 : x
2. Step 2: Convert to fraction form
   1,354,378/2,820,856 = 2,820,856/x
3. Step 3: Cross multiply
   1,354,378x = 2,820,856 × 2,820,856
4. Step 4: Simplify right side
   1,354,378x = 7,957,228,572,736
5. Step 5: Solve for x
   x = 7,957,228,572,736/1,354,378
6. Step 6: Final answer
   x = 5,875,190.36