Finding the Third Proportional to 858,541 and 1,864,584

Step by Step Solution

1. Step 1: Write the proportion equation
   858,541 : 1,864,584 = 1,864,584 : x
2. Step 2: Convert to fraction form
   858,541/1,864,584 = 1,864,584/x
3. Step 3: Cross multiply
   858,541x = 1,864,584 × 1,864,584
4. Step 4: Simplify right side
   858,541x = 3,476,673,493,056
5. Step 5: Solve for x
   x = 3,476,673,493,056/858,541
6. Step 6: Final answer
   x = 4,049,513.64