Finding the Third Proportional to 3,120,908 and 4,897,019

Step by Step Solution

1. Step 1: Write the proportion equation
   3,120,908 : 4,897,019 = 4,897,019 : x
2. Step 2: Convert to fraction form
   3,120,908/4,897,019 = 4,897,019/x
3. Step 3: Cross multiply
   3,120,908x = 4,897,019 × 4,897,019
4. Step 4: Simplify right side
   3,120,908x = 23,980,795,086,361
5. Step 5: Solve for x
   x = 23,980,795,086,361/3,120,908
6. Step 6: Final answer
   x = 7,683,916.05