Finding the Third Proportional to 861,564 and 1,879,796

Step by Step Solution

1. Step 1: Write the proportion equation
   861,564 : 1,879,796 = 1,879,796 : x
2. Step 2: Convert to fraction form
   861,564/1,879,796 = 1,879,796/x
3. Step 3: Cross multiply
   861,564x = 1,879,796 × 1,879,796
4. Step 4: Simplify right side
   861,564x = 3,533,633,001,616
5. Step 5: Solve for x
   x = 3,533,633,001,616/861,564
6. Step 6: Final answer
   x = 4,101,416.73