Finding the Third Proportional to 1,661,516 and 3,630,556

Step by Step Solution

1. Step 1: Write the proportion equation
   1,661,516 : 3,630,556 = 3,630,556 : x
2. Step 2: Convert to fraction form
   1,661,516/3,630,556 = 3,630,556/x
3. Step 3: Cross multiply
   1,661,516x = 3,630,556 × 3,630,556
4. Step 4: Simplify right side
   1,661,516x = 13,180,936,869,136
5. Step 5: Solve for x
   x = 13,180,936,869,136/1,661,516
6. Step 6: Final answer
   x = 7,933,078.51