Finding the Third Proportional to 1,556,427 and 3,408,108

Step by Step Solution

1. Step 1: Write the proportion equation
   1,556,427 : 3,408,108 = 3,408,108 : x
2. Step 2: Convert to fraction form
   1,556,427/3,408,108 = 3,408,108/x
3. Step 3: Cross multiply
   1,556,427x = 3,408,108 × 3,408,108
4. Step 4: Simplify right side
   1,556,427x = 11,615,200,139,664
5. Step 5: Solve for x
   x = 11,615,200,139,664/1,556,427
6. Step 6: Final answer
   x = 7,462,733.65