Finding the Third Proportional to 2,554,906 and 5,563,412

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554,906 : 5,563,412 = 5,563,412 : x
2. Step 2: Convert to fraction form
   2,554,906/5,563,412 = 5,563,412/x
3. Step 3: Cross multiply
   2,554,906x = 5,563,412 × 5,563,412
4. Step 4: Simplify right side
   2,554,906x = 30,951,553,081,744
5. Step 5: Solve for x
   x = 30,951,553,081,744/2,554,906
6. Step 6: Final answer
   x = 12,114,556.50