Finding the Third Proportional to 8,412,130 and 18,300,484

Step by Step Solution

1. Step 1: Write the proportion equation
   8,412,130 : 18,300,484 = 18,300,484 : x
2. Step 2: Convert to fraction form
   8,412,130/18,300,484 = 18,300,484/x
3. Step 3: Cross multiply
   8,412,130x = 18,300,484 × 18,300,484
4. Step 4: Simplify right side
   8,412,130x = 334,907,714,634,256
5. Step 5: Solve for x
   x = 334,907,714,634,256/8,412,130
6. Step 6: Final answer
   x = 39,812,474.92