Finding the Third Proportional to 3,559,252 and 7,678,388

Step by Step Solution

1. Step 1: Write the proportion equation
   3,559,252 : 7,678,388 = 7,678,388 : x
2. Step 2: Convert to fraction form
   3,559,252/7,678,388 = 7,678,388/x
3. Step 3: Cross multiply
   3,559,252x = 7,678,388 × 7,678,388
4. Step 4: Simplify right side
   3,559,252x = 58,957,642,278,544
5. Step 5: Solve for x
   x = 58,957,642,278,544/3,559,252
6. Step 6: Final answer
   x = 16,564,615.90