Finding the Third Proportional to 1,021,672 and 2,072,512

Step by Step Solution

1. Step 1: Write the proportion equation
   1,021,672 : 2,072,512 = 2,072,512 : x
2. Step 2: Convert to fraction form
   1,021,672/2,072,512 = 2,072,512/x
3. Step 3: Cross multiply
   1,021,672x = 2,072,512 × 2,072,512
4. Step 4: Simplify right side
   1,021,672x = 4,295,305,990,144
5. Step 5: Solve for x
   x = 4,295,305,990,144/1,021,672
6. Step 6: Final answer
   x = 4,204,192.73