Finding the Third Proportional to 8,412,168 and 18,300,561

Step by Step Solution

1. Step 1: Write the proportion equation
   8,412,168 : 18,300,561 = 18,300,561 : x
2. Step 2: Convert to fraction form
   8,412,168/18,300,561 = 18,300,561/x
3. Step 3: Cross multiply
   8,412,168x = 18,300,561 × 18,300,561
4. Step 4: Simplify right side
   8,412,168x = 334,910,532,914,721
5. Step 5: Solve for x
   x = 334,910,532,914,721/8,412,168
6. Step 6: Final answer
   x = 39,812,630.10