Finding the Third Proportional to 42,383,718 and 91,540,818

Step by Step Solution

1. Step 1: Write the proportion equation
   42,383,718 : 91,540,818 = 91,540,818 : x
2. Step 2: Convert to fraction form
   42,383,718/91,540,818 = 91,540,818/x
3. Step 3: Cross multiply
   42,383,718x = 91,540,818 × 91,540,818
4. Step 4: Simplify right side
   42,383,718x = 8,379,721,360,109,124
5. Step 5: Solve for x
   x = 8,379,721,360,109,124/42,383,718
6. Step 6: Final answer
   x = 197,710,860.57