Finding the Third Proportional to 2,499,558 and 5,450,691

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499,558 : 5,450,691 = 5,450,691 : x
2. Step 2: Convert to fraction form
   2,499,558/5,450,691 = 5,450,691/x
3. Step 3: Cross multiply
   2,499,558x = 5,450,691 × 5,450,691
4. Step 4: Simplify right side
   2,499,558x = 29,710,032,377,481
5. Step 5: Solve for x
   x = 29,710,032,377,481/2,499,558
6. Step 6: Final answer
   x = 11,886,114.42