Finding the Third Proportional to 858,487 and 1,695,356

Step by Step Solution

1. Step 1: Write the proportion equation
   858,487 : 1,695,356 = 1,695,356 : x
2. Step 2: Convert to fraction form
   858,487/1,695,356 = 1,695,356/x
3. Step 3: Cross multiply
   858,487x = 1,695,356 × 1,695,356
4. Step 4: Simplify right side
   858,487x = 2,874,231,966,736
5. Step 5: Solve for x
   x = 2,874,231,966,736/858,487
6. Step 6: Final answer
   x = 3,348,020.37