Finding the Third Proportional to 2,157,034,455 and 4,647,283,510.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157,034,455 : 4,647,283,510.50 = 4,647,283,510.50 : x
2. Step 2: Convert to fraction form
   2,157,034,455/4,647,283,510.50 = 4,647,283,510.50/x
3. Step 3: Cross multiply
   2,157,034,455x = 4,647,283,510.50 × 4,647,283,510.50
4. Step 4: Simplify right side
   2,157,034,455x = 21,597,244,026,965,204,992
5. Step 5: Solve for x
   x = 21,597,244,026,965,204,992/2,157,034,455
6. Step 6: Final answer
   x = 10,012,470,582.89