Finding the Third Proportional to 1,015,956 and 2,171,872

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,956 : 2,171,872 = 2,171,872 : x
2. Step 2: Convert to fraction form
   1,015,956/2,171,872 = 2,171,872/x
3. Step 3: Cross multiply
   1,015,956x = 2,171,872 × 2,171,872
4. Step 4: Simplify right side
   1,015,956x = 4,717,027,984,384
5. Step 5: Solve for x
   x = 4,717,027,984,384/1,015,956
6. Step 6: Final answer
   x = 4,642,945.15