Finding the Third Proportional to 870,914 and 1,866,244

Step by Step Solution

1. Step 1: Write the proportion equation
   870,914 : 1,866,244 = 1,866,244 : x
2. Step 2: Convert to fraction form
   870,914/1,866,244 = 1,866,244/x
3. Step 3: Cross multiply
   870,914x = 1,866,244 × 1,866,244
4. Step 4: Simplify right side
   870,914x = 3,482,866,667,536
5. Step 5: Solve for x
   x = 3,482,866,667,536/870,914
6. Step 6: Final answer
   x = 3,999,093.67