Finding the Third Proportional to 8,412,122 and 18,300,469

Step by Step Solution

1. Step 1: Write the proportion equation
   8,412,122 : 18,300,469 = 18,300,469 : x
2. Step 2: Convert to fraction form
   8,412,122/18,300,469 = 18,300,469/x
3. Step 3: Cross multiply
   8,412,122x = 18,300,469 × 18,300,469
4. Step 4: Simplify right side
   8,412,122x = 334,907,165,619,961
5. Step 5: Solve for x
   x = 334,907,165,619,961/8,412,122
6. Step 6: Final answer
   x = 39,812,447.52