Finding the Third Proportional to 857,256 and 1,293,662

Step by Step Solution

1. Step 1: Write the proportion equation
   857,256 : 1,293,662 = 1,293,662 : x
2. Step 2: Convert to fraction form
   857,256/1,293,662 = 1,293,662/x
3. Step 3: Cross multiply
   857,256x = 1,293,662 × 1,293,662
4. Step 4: Simplify right side
   857,256x = 1,673,561,370,244
5. Step 5: Solve for x
   x = 1,673,561,370,244/857,256
6. Step 6: Final answer
   x = 1,952,230.57