Finding the Third Proportional to 3,671,072 and 7,873,570

Step by Step Solution

1. Step 1: Write the proportion equation
   3,671,072 : 7,873,570 = 7,873,570 : x
2. Step 2: Convert to fraction form
   3,671,072/7,873,570 = 7,873,570/x
3. Step 3: Cross multiply
   3,671,072x = 7,873,570 × 7,873,570
4. Step 4: Simplify right side
   3,671,072x = 61,993,104,544,900
5. Step 5: Solve for x
   x = 61,993,104,544,900/3,671,072
6. Step 6: Final answer
   x = 16,886,921.46