Finding the Third Proportional to 9,170,880 and 19,434,144

Step by Step Solution

1. Step 1: Write the proportion equation
   9,170,880 : 19,434,144 = 19,434,144 : x
2. Step 2: Convert to fraction form
   9,170,880/19,434,144 = 19,434,144/x
3. Step 3: Cross multiply
   9,170,880x = 19,434,144 × 19,434,144
4. Step 4: Simplify right side
   9,170,880x = 377,685,953,012,736
5. Step 5: Solve for x
   x = 377,685,953,012,736/9,170,880
6. Step 6: Final answer
   x = 41,183,174.68