Finding the Third Proportional to 2,554,965 and 5,563,530

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554,965 : 5,563,530 = 5,563,530 : x
2. Step 2: Convert to fraction form
   2,554,965/5,563,530 = 5,563,530/x
3. Step 3: Cross multiply
   2,554,965x = 5,563,530 × 5,563,530
4. Step 4: Simplify right side
   2,554,965x = 30,952,866,060,900
5. Step 5: Solve for x
   x = 30,952,866,060,900/2,554,965
6. Step 6: Final answer
   x = 12,114,790.64