Finding the Third Proportional to 2,554,970 and 5,563,540

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554,970 : 5,563,540 = 5,563,540 : x
2. Step 2: Convert to fraction form
   2,554,970/5,563,540 = 5,563,540/x
3. Step 3: Cross multiply
   2,554,970x = 5,563,540 × 5,563,540
4. Step 4: Simplify right side
   2,554,970x = 30,952,977,331,600
5. Step 5: Solve for x
   x = 30,952,977,331,600/2,554,970
6. Step 6: Final answer
   x = 12,114,810.48