Finding the Third Proportional to 8,072,568 and 12,465,786

Step by Step Solution

1. Step 1: Write the proportion equation
   8,072,568 : 12,465,786 = 12,465,786 : x
2. Step 2: Convert to fraction form
   8,072,568/12,465,786 = 12,465,786/x
3. Step 3: Cross multiply
   8,072,568x = 12,465,786 × 12,465,786
4. Step 4: Simplify right side
   8,072,568x = 155,395,820,597,796
5. Step 5: Solve for x
   x = 155,395,820,597,796/8,072,568
6. Step 6: Final answer
   x = 19,249,862.08