Finding the Third Proportional to 42,017,792 and 91,397,512

Step by Step Solution

1. Step 1: Write the proportion equation
   42,017,792 : 91,397,512 = 91,397,512 : x
2. Step 2: Convert to fraction form
   42,017,792/91,397,512 = 91,397,512/x
3. Step 3: Cross multiply
   42,017,792x = 91,397,512 × 91,397,512
4. Step 4: Simplify right side
   42,017,792x = 8,353,505,199,790,144
5. Step 5: Solve for x
   x = 8,353,505,199,790,144/42,017,792
6. Step 6: Final answer
   x = 198,808,761.77