Finding the Third Proportional to 1,835,138 and 3,951,508

Step by Step Solution

1. Step 1: Write the proportion equation
   1,835,138 : 3,951,508 = 3,951,508 : x
2. Step 2: Convert to fraction form
   1,835,138/3,951,508 = 3,951,508/x
3. Step 3: Cross multiply
   1,835,138x = 3,951,508 × 3,951,508
4. Step 4: Simplify right side
   1,835,138x = 15,614,415,474,064
5. Step 5: Solve for x
   x = 15,614,415,474,064/1,835,138
6. Step 6: Final answer
   x = 8,508,578.36