Finding the Third Proportional to 2,405,748 and 3,179,968

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405,748 : 3,179,968 = 3,179,968 : x
2. Step 2: Convert to fraction form
   2,405,748/3,179,968 = 3,179,968/x
3. Step 3: Cross multiply
   2,405,748x = 3,179,968 × 3,179,968
4. Step 4: Simplify right side
   2,405,748x = 10,112,196,481,024
5. Step 5: Solve for x
   x = 10,112,196,481,024/2,405,748
6. Step 6: Final answer
   x = 4,203,348.18