Finding the Third Proportional to 1,550,992 and 3,408,129

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550,992 : 3,408,129 = 3,408,129 : x
2. Step 2: Convert to fraction form
   1,550,992/3,408,129 = 3,408,129/x
3. Step 3: Cross multiply
   1,550,992x = 3,408,129 × 3,408,129
4. Step 4: Simplify right side
   1,550,992x = 11,615,343,280,641
5. Step 5: Solve for x
   x = 11,615,343,280,641/1,550,992
6. Step 6: Final answer
   x = 7,488,976.91