Finding the Third Proportional to 1,647,134 and 3,556,708

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647,134 : 3,556,708 = 3,556,708 : x
2. Step 2: Convert to fraction form
   1,647,134/3,556,708 = 3,556,708/x
3. Step 3: Cross multiply
   1,647,134x = 3,556,708 × 3,556,708
4. Step 4: Simplify right side
   1,647,134x = 12,650,171,797,264
5. Step 5: Solve for x
   x = 12,650,171,797,264/1,647,134
6. Step 6: Final answer
   x = 7,680,110.91