Finding the Third Proportional to 2,309,618,404 and 5,389,295,866

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309,618,404 : 5,389,295,866 = 5,389,295,866 : x
2. Step 2: Convert to fraction form
   2,309,618,404/5,389,295,866 = 5,389,295,866/x
3. Step 3: Cross multiply
   2,309,618,404x = 5,389,295,866 × 5,389,295,866
4. Step 4: Simplify right side
   2,309,618,404x = 29,044,509,931,284,688,896
5. Step 5: Solve for x
   x = 29,044,509,931,284,688,896/2,309,618,404
6. Step 6: Final answer
   x = 12,575,458,301.24