Finding the Third Proportional to 857,900 and 1,694,270

Step by Step Solution

1. Step 1: Write the proportion equation
   857,900 : 1,694,270 = 1,694,270 : x
2. Step 2: Convert to fraction form
   857,900/1,694,270 = 1,694,270/x
3. Step 3: Cross multiply
   857,900x = 1,694,270 × 1,694,270
4. Step 4: Simplify right side
   857,900x = 2,870,550,832,900
5. Step 5: Solve for x
   x = 2,870,550,832,900/857,900
6. Step 6: Final answer
   x = 3,346,020.32