Finding the Third Proportional to 2,811,780 and 5,822,940

Step by Step Solution

1. Step 1: Write the proportion equation
   2,811,780 : 5,822,940 = 5,822,940 : x
2. Step 2: Convert to fraction form
   2,811,780/5,822,940 = 5,822,940/x
3. Step 3: Cross multiply
   2,811,780x = 5,822,940 × 5,822,940
4. Step 4: Simplify right side
   2,811,780x = 33,906,630,243,600
5. Step 5: Solve for x
   x = 33,906,630,243,600/2,811,780
6. Step 6: Final answer
   x = 12,058,777.80