Finding the Third Proportional to 3,802,560 and 8,455,179

Step by Step Solution

1. Step 1: Write the proportion equation
   3,802,560 : 8,455,179 = 8,455,179 : x
2. Step 2: Convert to fraction form
   3,802,560/8,455,179 = 8,455,179/x
3. Step 3: Cross multiply
   3,802,560x = 8,455,179 × 8,455,179
4. Step 4: Simplify right side
   3,802,560x = 71,490,051,922,041
5. Step 5: Solve for x
   x = 71,490,051,922,041/3,802,560
6. Step 6: Final answer
   x = 18,800,505.95