Finding the Third Proportional to 1,012,948 and 2,161,476

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,948 : 2,161,476 = 2,161,476 : x
2. Step 2: Convert to fraction form
   1,012,948/2,161,476 = 2,161,476/x
3. Step 3: Cross multiply
   1,012,948x = 2,161,476 × 2,161,476
4. Step 4: Simplify right side
   1,012,948x = 4,671,978,498,576
5. Step 5: Solve for x
   x = 4,671,978,498,576/1,012,948
6. Step 6: Final answer
   x = 4,612,258.97