Finding the Third Proportional to 1,010,628 and 2,161,296

Step by Step Solution

1. Step 1: Write the proportion equation
   1,010,628 : 2,161,296 = 2,161,296 : x
2. Step 2: Convert to fraction form
   1,010,628/2,161,296 = 2,161,296/x
3. Step 3: Cross multiply
   1,010,628x = 2,161,296 × 2,161,296
4. Step 4: Simplify right side
   1,010,628x = 4,671,200,399,616
5. Step 5: Solve for x
   x = 4,671,200,399,616/1,010,628
6. Step 6: Final answer
   x = 4,622,076.97