Finding the Third Proportional to 3,671,108 and 7,873,642

Step by Step Solution

1. Step 1: Write the proportion equation
   3,671,108 : 7,873,642 = 7,873,642 : x
2. Step 2: Convert to fraction form
   3,671,108/7,873,642 = 7,873,642/x
3. Step 3: Cross multiply
   3,671,108x = 7,873,642 × 7,873,642
4. Step 4: Simplify right side
   3,671,108x = 61,994,238,344,164
5. Step 5: Solve for x
   x = 61,994,238,344,164/3,671,108
6. Step 6: Final answer
   x = 16,887,064.71