Finding the Third Proportional to 89,936,864,779 and 199,982,328,426

Step by Step Solution

1. Step 1: Write the proportion equation
   89,936,864,779 : 199,982,328,426 = 199,982,328,426 : x
2. Step 2: Convert to fraction form
   89,936,864,779/199,982,328,426 = 199,982,328,426/x
3. Step 3: Cross multiply
   89,936,864,779x = 199,982,328,426 × 199,982,328,426
4. Step 4: Simplify right side
   89,936,864,779x = 39,992,931,682,684,527,181,824
5. Step 5: Solve for x
   x = 39,992,931,682,684,527,181,824/89,936,864,779
6. Step 6: Final answer
   x = 444,677,850,189.22