Finding the Third Proportional to 2,556,558 and 5,472,229

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556,558 : 5,472,229 = 5,472,229 : x
2. Step 2: Convert to fraction form
   2,556,558/5,472,229 = 5,472,229/x
3. Step 3: Cross multiply
   2,556,558x = 5,472,229 × 5,472,229
4. Step 4: Simplify right side
   2,556,558x = 29,945,290,228,441
5. Step 5: Solve for x
   x = 29,945,290,228,441/2,556,558
6. Step 6: Final answer
   x = 11,713,127.66