Finding the Third Proportional to 1,036,138,729.69 and 2,253,819,919.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036,138,729.69 : 2,253,819,919.31 = 2,253,819,919.31 : x
2. Step 2: Convert to fraction form
   1,036,138,729.69/2,253,819,919.31 = 2,253,819,919.31/x
3. Step 3: Cross multiply
   1,036,138,729.69x = 2,253,819,919.31 × 2,253,819,919.31
4. Step 4: Simplify right side
   1,036,138,729.69x = 5,079,704,228,689,804,288
5. Step 5: Solve for x
   x = 5,079,704,228,689,804,288/1,036,138,729.69
6. Step 6: Final answer
   x = 4,902,532,916.82