Finding the Third Proportional to 8,412,128 and 18,300,480

Step by Step Solution

1. Step 1: Write the proportion equation
   8,412,128 : 18,300,480 = 18,300,480 : x
2. Step 2: Convert to fraction form
   8,412,128/18,300,480 = 18,300,480/x
3. Step 3: Cross multiply
   8,412,128x = 18,300,480 × 18,300,480
4. Step 4: Simplify right side
   8,412,128x = 334,907,568,230,400
5. Step 5: Solve for x
   x = 334,907,568,230,400/8,412,128
6. Step 6: Final answer
   x = 39,812,466.98