Finding the Third Proportional to 3,451,078 and 5,338,132

Step by Step Solution

1. Step 1: Write the proportion equation
   3,451,078 : 5,338,132 = 5,338,132 : x
2. Step 2: Convert to fraction form
   3,451,078/5,338,132 = 5,338,132/x
3. Step 3: Cross multiply
   3,451,078x = 5,338,132 × 5,338,132
4. Step 4: Simplify right side
   3,451,078x = 28,495,653,249,424
5. Step 5: Solve for x
   x = 28,495,653,249,424/3,451,078
6. Step 6: Final answer
   x = 8,257,029.61