Finding the Third Proportional to 1,260,414 and 1,886,220

Step by Step Solution

1. Step 1: Write the proportion equation
   1,260,414 : 1,886,220 = 1,886,220 : x
2. Step 2: Convert to fraction form
   1,260,414/1,886,220 = 1,886,220/x
3. Step 3: Cross multiply
   1,260,414x = 1,886,220 × 1,886,220
4. Step 4: Simplify right side
   1,260,414x = 3,557,825,888,400
5. Step 5: Solve for x
   x = 3,557,825,888,400/1,260,414
6. Step 6: Final answer
   x = 2,822,743.87