Finding the Third Proportional to 1,552,678 and 3,378,730

Step by Step Solution

1. Step 1: Write the proportion equation
   1,552,678 : 3,378,730 = 3,378,730 : x
2. Step 2: Convert to fraction form
   1,552,678/3,378,730 = 3,378,730/x
3. Step 3: Cross multiply
   1,552,678x = 3,378,730 × 3,378,730
4. Step 4: Simplify right side
   1,552,678x = 11,415,816,412,900
5. Step 5: Solve for x
   x = 11,415,816,412,900/1,552,678
6. Step 6: Final answer
   x = 7,352,339.90