Finding the Third Proportional to 858,522 and 1,864,662

Step by Step Solution

1. Step 1: Write the proportion equation
   858,522 : 1,864,662 = 1,864,662 : x
2. Step 2: Convert to fraction form
   858,522/1,864,662 = 1,864,662/x
3. Step 3: Cross multiply
   858,522x = 1,864,662 × 1,864,662
4. Step 4: Simplify right side
   858,522x = 3,476,964,374,244
5. Step 5: Solve for x
   x = 3,476,964,374,244/858,522
6. Step 6: Final answer
   x = 4,049,942.08