Finding the Third Proportional to 396,068 and 851,844

Step by Step Solution

1. Step 1: Write the proportion equation
   396,068 : 851,844 = 851,844 : x
2. Step 2: Convert to fraction form
   396,068/851,844 = 851,844/x
3. Step 3: Cross multiply
   396,068x = 851,844 × 851,844
4. Step 4: Simplify right side
   396,068x = 725,638,200,336
5. Step 5: Solve for x
   x = 725,638,200,336/396,068
6. Step 6: Final answer
   x = 1,832,105.09