Finding the Third Proportional to 1,167,720 and 2,515,512

Step by Step Solution

1. Step 1: Write the proportion equation
   1,167,720 : 2,515,512 = 2,515,512 : x
2. Step 2: Convert to fraction form
   1,167,720/2,515,512 = 2,515,512/x
3. Step 3: Cross multiply
   1,167,720x = 2,515,512 × 2,515,512
4. Step 4: Simplify right side
   1,167,720x = 6,327,800,622,144
5. Step 5: Solve for x
   x = 6,327,800,622,144/1,167,720
6. Step 6: Final answer
   x = 5,418,936.58