Finding the Third Proportional to 1,051,378 and 1,647,147

Step by Step Solution

1. Step 1: Write the proportion equation
   1,051,378 : 1,647,147 = 1,647,147 : x
2. Step 2: Convert to fraction form
   1,051,378/1,647,147 = 1,647,147/x
3. Step 3: Cross multiply
   1,051,378x = 1,647,147 × 1,647,147
4. Step 4: Simplify right side
   1,051,378x = 2,713,093,239,609
5. Step 5: Solve for x
   x = 2,713,093,239,609/1,051,378
6. Step 6: Final answer
   x = 2,580,511.71