Finding the Third Proportional to 2,558,028 and 5,470,488

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558,028 : 5,470,488 = 5,470,488 : x
2. Step 2: Convert to fraction form
   2,558,028/5,470,488 = 5,470,488/x
3. Step 3: Cross multiply
   2,558,028x = 5,470,488 × 5,470,488
4. Step 4: Simplify right side
   2,558,028x = 29,926,238,958,144
5. Step 5: Solve for x
   x = 29,926,238,958,144/2,558,028
6. Step 6: Final answer
   x = 11,698,948.94