Finding the Third Proportional to 42,017,794 and 91,397,516

Step by Step Solution

1. Step 1: Write the proportion equation
   42,017,794 : 91,397,516 = 91,397,516 : x
2. Step 2: Convert to fraction form
   42,017,794/91,397,516 = 91,397,516/x
3. Step 3: Cross multiply
   42,017,794x = 91,397,516 × 91,397,516
4. Step 4: Simplify right side
   42,017,794x = 8,353,505,930,970,256
5. Step 5: Solve for x
   x = 8,353,505,930,970,256/42,017,794
6. Step 6: Final answer
   x = 198,808,769.71