Finding the Third Proportional to 3,630,709 and 7,821,588

Step by Step Solution

1. Step 1: Write the proportion equation
   3,630,709 : 7,821,588 = 7,821,588 : x
2. Step 2: Convert to fraction form
   3,630,709/7,821,588 = 7,821,588/x
3. Step 3: Cross multiply
   3,630,709x = 7,821,588 × 7,821,588
4. Step 4: Simplify right side
   3,630,709x = 61,177,238,841,744
5. Step 5: Solve for x
   x = 61,177,238,841,744/3,630,709
6. Step 6: Final answer
   x = 16,849,942.76