Finding the Third Proportional to 2,554,903 and 5,563,406

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554,903 : 5,563,406 = 5,563,406 : x
2. Step 2: Convert to fraction form
   2,554,903/5,563,406 = 5,563,406/x
3. Step 3: Cross multiply
   2,554,903x = 5,563,406 × 5,563,406
4. Step 4: Simplify right side
   2,554,903x = 30,951,486,320,836
5. Step 5: Solve for x
   x = 30,951,486,320,836/2,554,903
6. Step 6: Final answer
   x = 12,114,544.59