Finding the Third Proportional to 2,309,618,304 and 5,389,295,616

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309,618,304 : 5,389,295,616 = 5,389,295,616 : x
2. Step 2: Convert to fraction form
   2,309,618,304/5,389,295,616 = 5,389,295,616/x
3. Step 3: Cross multiply
   2,309,618,304x = 5,389,295,616 × 5,389,295,616
4. Step 4: Simplify right side
   2,309,618,304x = 29,044,507,236,636,819,456
5. Step 5: Solve for x
   x = 29,044,507,236,636,819,456/2,309,618,304
6. Step 6: Final answer
   x = 12,575,457,679.02