Finding the Third Proportional to 1,003,996 and 2,153,576

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003,996 : 2,153,576 = 2,153,576 : x
2. Step 2: Convert to fraction form
   1,003,996/2,153,576 = 2,153,576/x
3. Step 3: Cross multiply
   1,003,996x = 2,153,576 × 2,153,576
4. Step 4: Simplify right side
   1,003,996x = 4,637,889,587,776
5. Step 5: Solve for x
   x = 4,637,889,587,776/1,003,996
6. Step 6: Final answer
   x = 4,619,430.34