Finding the Third Proportional to 388,056,520,857 and 844,444,987,665

Step by Step Solution

1. Step 1: Write the proportion equation
   388,056,520,857 : 844,444,987,665 = 844,444,987,665 : x
2. Step 2: Convert to fraction form
   388,056,520,857/844,444,987,665 = 844,444,987,665/x
3. Step 3: Cross multiply
   388,056,520,857x = 844,444,987,665 × 844,444,987,665
4. Step 4: Simplify right side
   388,056,520,857x = 713,087,337,192,542,043,111,424
5. Step 5: Solve for x
   x = 713,087,337,192,542,043,111,424/388,056,520,857
6. Step 6: Final answer
   x = 1,837,586,276,395.33