Finding the Third Proportional to 42,017,786 and 91,397,500

Step by Step Solution

1. Step 1: Write the proportion equation
   42,017,786 : 91,397,500 = 91,397,500 : x
2. Step 2: Convert to fraction form
   42,017,786/91,397,500 = 91,397,500/x
3. Step 3: Cross multiply
   42,017,786x = 91,397,500 × 91,397,500
4. Step 4: Simplify right side
   42,017,786x = 8,353,503,006,250,000
5. Step 5: Solve for x
   x = 8,353,503,006,250,000/42,017,786
6. Step 6: Final answer
   x = 198,808,737.95