Finding the Third Proportional to 42,017,631 and 91,397,190

Step by Step Solution

1. Step 1: Write the proportion equation
   42,017,631 : 91,397,190 = 91,397,190 : x
2. Step 2: Convert to fraction form
   42,017,631/91,397,190 = 91,397,190/x
3. Step 3: Cross multiply
   42,017,631x = 91,397,190 × 91,397,190
4. Step 4: Simplify right side
   42,017,631x = 8,353,446,339,896,100
5. Step 5: Solve for x
   x = 8,353,446,339,896,100/42,017,631
6. Step 6: Final answer
   x = 198,808,122.71