Finding the Third Proportional to 1,479,708 and 2,215,512

Step by Step Solution

1. Step 1: Write the proportion equation
   1,479,708 : 2,215,512 = 2,215,512 : x
2. Step 2: Convert to fraction form
   1,479,708/2,215,512 = 2,215,512/x
3. Step 3: Cross multiply
   1,479,708x = 2,215,512 × 2,215,512
4. Step 4: Simplify right side
   1,479,708x = 4,908,493,422,144
5. Step 5: Solve for x
   x = 4,908,493,422,144/1,479,708
6. Step 6: Final answer
   x = 3,317,204.08