Finding the Third Proportional to 2,554,128 and 5,506,884

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554,128 : 5,506,884 = 5,506,884 : x
2. Step 2: Convert to fraction form
   2,554,128/5,506,884 = 5,506,884/x
3. Step 3: Cross multiply
   2,554,128x = 5,506,884 × 5,506,884
4. Step 4: Simplify right side
   2,554,128x = 30,325,771,389,456
5. Step 5: Solve for x
   x = 30,325,771,389,456/2,554,128
6. Step 6: Final answer
   x = 11,873,238.69