Finding the Third Proportional to 1,021,356 and 2,245,320

Step by Step Solution

1. Step 1: Write the proportion equation
   1,021,356 : 2,245,320 = 2,245,320 : x
2. Step 2: Convert to fraction form
   1,021,356/2,245,320 = 2,245,320/x
3. Step 3: Cross multiply
   1,021,356x = 2,245,320 × 2,245,320
4. Step 4: Simplify right side
   1,021,356x = 5,041,461,902,400
5. Step 5: Solve for x
   x = 5,041,461,902,400/1,021,356
6. Step 6: Final answer
   x = 4,936,047.67