Finding the Third Proportional to 3,854,979 and 8,571,636

Step by Step Solution

1. Step 1: Write the proportion equation
   3,854,979 : 8,571,636 = 8,571,636 : x
2. Step 2: Convert to fraction form
   3,854,979/8,571,636 = 8,571,636/x
3. Step 3: Cross multiply
   3,854,979x = 8,571,636 × 8,571,636
4. Step 4: Simplify right side
   3,854,979x = 73,472,943,716,496
5. Step 5: Solve for x
   x = 73,472,943,716,496/3,854,979
6. Step 6: Final answer
   x = 19,059,233.19