Finding the Third Proportional to 857,740 and 1,261,662

Step by Step Solution

1. Step 1: Write the proportion equation
   857,740 : 1,261,662 = 1,261,662 : x
2. Step 2: Convert to fraction form
   857,740/1,261,662 = 1,261,662/x
3. Step 3: Cross multiply
   857,740x = 1,261,662 × 1,261,662
4. Step 4: Simplify right side
   857,740x = 1,591,791,002,244
5. Step 5: Solve for x
   x = 1,591,791,002,244/857,740
6. Step 6: Final answer
   x = 1,855,796.63