Finding the Third Proportional to 1,015,996 and 2,171,960

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,996 : 2,171,960 = 2,171,960 : x
2. Step 2: Convert to fraction form
   1,015,996/2,171,960 = 2,171,960/x
3. Step 3: Cross multiply
   1,015,996x = 2,171,960 × 2,171,960
4. Step 4: Simplify right side
   1,015,996x = 4,717,410,241,600
5. Step 5: Solve for x
   x = 4,717,410,241,600/1,015,996
6. Step 6: Final answer
   x = 4,643,138.60