Finding the Third Proportional to 1,020,112 and 2,196,320

Step by Step Solution

1. Step 1: Write the proportion equation
   1,020,112 : 2,196,320 = 2,196,320 : x
2. Step 2: Convert to fraction form
   1,020,112/2,196,320 = 2,196,320/x
3. Step 3: Cross multiply
   1,020,112x = 2,196,320 × 2,196,320
4. Step 4: Simplify right side
   1,020,112x = 4,823,821,542,400
5. Step 5: Solve for x
   x = 4,823,821,542,400/1,020,112
6. Step 6: Final answer
   x = 4,728,717.57