Finding the Third Proportional to 5,821,695,540 and 12,663,412,379

Step by Step Solution

1. Step 1: Write the proportion equation
   5,821,695,540 : 12,663,412,379 = 12,663,412,379 : x
2. Step 2: Convert to fraction form
   5,821,695,540/12,663,412,379 = 12,663,412,379/x
3. Step 3: Cross multiply
   5,821,695,540x = 12,663,412,379 × 12,663,412,379
4. Step 4: Simplify right side
   5,821,695,540x = 160,362,013,080,610,439,168
5. Step 5: Solve for x
   x = 160,362,013,080,610,439,168/5,821,695,540
6. Step 6: Final answer
   x = 27,545,585,642.32