Finding the Third Proportional to 199,672,915,717 and 404,901,963,548

Step by Step Solution

1. Step 1: Write the proportion equation
   199,672,915,717 : 404,901,963,548 = 404,901,963,548 : x
2. Step 2: Convert to fraction form
   199,672,915,717/404,901,963,548 = 404,901,963,548/x
3. Step 3: Cross multiply
   199,672,915,717x = 404,901,963,548 × 404,901,963,548
4. Step 4: Simplify right side
   199,672,915,717x = 163,945,600,085,025,936,637,952
5. Step 5: Solve for x
   x = 163,945,600,085,025,936,637,952/199,672,915,717
6. Step 6: Final answer
   x = 821,070,797,190.09