Finding the Third Proportional to 3,158,908 and 4,619,889

Step by Step Solution

1. Step 1: Write the proportion equation
   3,158,908 : 4,619,889 = 4,619,889 : x
2. Step 2: Convert to fraction form
   3,158,908/4,619,889 = 4,619,889/x
3. Step 3: Cross multiply
   3,158,908x = 4,619,889 × 4,619,889
4. Step 4: Simplify right side
   3,158,908x = 21,343,374,372,321
5. Step 5: Solve for x
   x = 21,343,374,372,321/3,158,908
6. Step 6: Final answer
   x = 6,756,567.26