Finding the Third Proportional to 42,017,948 and 91,397,824

Step by Step Solution

1. Step 1: Write the proportion equation
   42,017,948 : 91,397,824 = 91,397,824 : x
2. Step 2: Convert to fraction form
   42,017,948/91,397,824 = 91,397,824/x
3. Step 3: Cross multiply
   42,017,948x = 91,397,824 × 91,397,824
4. Step 4: Simplify right side
   42,017,948x = 8,353,562,231,934,976
5. Step 5: Solve for x
   x = 8,353,562,231,934,976/42,017,948
6. Step 6: Final answer
   x = 198,809,380.98