Finding the Third Proportional to 1,698,668 and 3,680,728

Step by Step Solution

1. Step 1: Write the proportion equation
   1,698,668 : 3,680,728 = 3,680,728 : x
2. Step 2: Convert to fraction form
   1,698,668/3,680,728 = 3,680,728/x
3. Step 3: Cross multiply
   1,698,668x = 3,680,728 × 3,680,728
4. Step 4: Simplify right side
   1,698,668x = 13,547,758,609,984
5. Step 5: Solve for x
   x = 13,547,758,609,984/1,698,668
6. Step 6: Final answer
   x = 7,975,518.82