Finding the Third Proportional to 3,412,788 and 7,468,392

Step by Step Solution

1. Step 1: Write the proportion equation
   3,412,788 : 7,468,392 = 7,468,392 : x
2. Step 2: Convert to fraction form
   3,412,788/7,468,392 = 7,468,392/x
3. Step 3: Cross multiply
   3,412,788x = 7,468,392 × 7,468,392
4. Step 4: Simplify right side
   3,412,788x = 55,776,879,065,664
5. Step 5: Solve for x
   x = 55,776,879,065,664/3,412,788
6. Step 6: Final answer
   x = 16,343,493.67