Finding the Third Proportional to 1,542,780 and 3,350,916

Step by Step Solution

1. Step 1: Write the proportion equation
   1,542,780 : 3,350,916 = 3,350,916 : x
2. Step 2: Convert to fraction form
   1,542,780/3,350,916 = 3,350,916/x
3. Step 3: Cross multiply
   1,542,780x = 3,350,916 × 3,350,916
4. Step 4: Simplify right side
   1,542,780x = 11,228,638,039,056
5. Step 5: Solve for x
   x = 11,228,638,039,056/1,542,780
6. Step 6: Final answer
   x = 7,278,184.86