Finding the Third Proportional to 3,672,144 and 7,642,329

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672,144 : 7,642,329 = 7,642,329 : x
2. Step 2: Convert to fraction form
   3,672,144/7,642,329 = 7,642,329/x
3. Step 3: Cross multiply
   3,672,144x = 7,642,329 × 7,642,329
4. Step 4: Simplify right side
   3,672,144x = 58,405,192,544,241
5. Step 5: Solve for x
   x = 58,405,192,544,241/3,672,144
6. Step 6: Final answer
   x = 15,904,929.80