Finding the Third Proportional to 42,384,478 and 91,544,766

Step by Step Solution

1. Step 1: Write the proportion equation
   42,384,478 : 91,544,766 = 91,544,766 : x
2. Step 2: Convert to fraction form
   42,384,478/91,544,766 = 91,544,766/x
3. Step 3: Cross multiply
   42,384,478x = 91,544,766 × 91,544,766
4. Step 4: Simplify right side
   42,384,478x = 8,380,444,181,994,756
5. Step 5: Solve for x
   x = 8,380,444,181,994,756/42,384,478
6. Step 6: Final answer
   x = 197,724,369.33