Finding the Third Proportional to 2,212,780 and 3,339,520

Step by Step Solution

1. Step 1: Write the proportion equation
   2,212,780 : 3,339,520 = 3,339,520 : x
2. Step 2: Convert to fraction form
   2,212,780/3,339,520 = 3,339,520/x
3. Step 3: Cross multiply
   2,212,780x = 3,339,520 × 3,339,520
4. Step 4: Simplify right side
   2,212,780x = 11,152,393,830,400
5. Step 5: Solve for x
   x = 11,152,393,830,400/2,212,780
6. Step 6: Final answer
   x = 5,039,992.15