Finding the Third Proportional to 687,754,656 and 1,510,620,568

Step by Step Solution

1. Step 1: Write the proportion equation
   687,754,656 : 1,510,620,568 = 1,510,620,568 : x
2. Step 2: Convert to fraction form
   687,754,656/1,510,620,568 = 1,510,620,568/x
3. Step 3: Cross multiply
   687,754,656x = 1,510,620,568 × 1,510,620,568
4. Step 4: Simplify right side
   687,754,656x = 2,281,974,500,464,642,560
5. Step 5: Solve for x
   x = 2,281,974,500,464,642,560/687,754,656
6. Step 6: Final answer
   x = 3,318,006,618.43