Finding the Third Proportional to 2,028,357,578.25 and 4,405,885,493.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028,357,578.25 : 4,405,885,493.48 = 4,405,885,493.48 : x
2. Step 2: Convert to fraction form
   2,028,357,578.25/4,405,885,493.48 = 4,405,885,493.48/x
3. Step 3: Cross multiply
   2,028,357,578.25x = 4,405,885,493.48 × 4,405,885,493.48
4. Step 4: Simplify right side
   2,028,357,578.25x = 19,411,826,981,697,155,072
5. Step 5: Solve for x
   x = 19,411,826,981,697,155,072/2,028,357,578.25
6. Step 6: Final answer
   x = 9,570,219,368.54