Finding the Third Proportional to 2,557,008 and 5,512,536

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557,008 : 5,512,536 = 5,512,536 : x
2. Step 2: Convert to fraction form
   2,557,008/5,512,536 = 5,512,536/x
3. Step 3: Cross multiply
   2,557,008x = 5,512,536 × 5,512,536
4. Step 4: Simplify right side
   2,557,008x = 30,388,053,151,296
5. Step 5: Solve for x
   x = 30,388,053,151,296/2,557,008
6. Step 6: Final answer
   x = 11,884,222.95