Finding the Third Proportional to 865,725 and 1,879,308

Step by Step Solution

1. Step 1: Write the proportion equation
   865,725 : 1,879,308 = 1,879,308 : x
2. Step 2: Convert to fraction form
   865,725/1,879,308 = 1,879,308/x
3. Step 3: Cross multiply
   865,725x = 1,879,308 × 1,879,308
4. Step 4: Simplify right side
   865,725x = 3,531,798,558,864
5. Step 5: Solve for x
   x = 3,531,798,558,864/865,725
6. Step 6: Final answer
   x = 4,079,584.81