Finding the Third Proportional to 870,636 and 1,829,404

Step by Step Solution

1. Step 1: Write the proportion equation
   870,636 : 1,829,404 = 1,829,404 : x
2. Step 2: Convert to fraction form
   870,636/1,829,404 = 1,829,404/x
3. Step 3: Cross multiply
   870,636x = 1,829,404 × 1,829,404
4. Step 4: Simplify right side
   870,636x = 3,346,718,995,216
5. Step 5: Solve for x
   x = 3,346,718,995,216/870,636
6. Step 6: Final answer
   x = 3,843,993.35