Finding the Third Proportional to 1,647,370 and 3,609,668

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647,370 : 3,609,668 = 3,609,668 : x
2. Step 2: Convert to fraction form
   1,647,370/3,609,668 = 3,609,668/x
3. Step 3: Cross multiply
   1,647,370x = 3,609,668 × 3,609,668
4. Step 4: Simplify right side
   1,647,370x = 13,029,703,070,224
5. Step 5: Solve for x
   x = 13,029,703,070,224/1,647,370
6. Step 6: Final answer
   x = 7,909,396.84