Finding the Third Proportional to 2,549,780 and 5,563,204

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549,780 : 5,563,204 = 5,563,204 : x
2. Step 2: Convert to fraction form
   2,549,780/5,563,204 = 5,563,204/x
3. Step 3: Cross multiply
   2,549,780x = 5,563,204 × 5,563,204
4. Step 4: Simplify right side
   2,549,780x = 30,949,238,745,616
5. Step 5: Solve for x
   x = 30,949,238,745,616/2,549,780
6. Step 6: Final answer
   x = 12,138,003.57