Finding the Third Proportional to 2,891,037,132 and 3,900,687,855.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,891,037,132 : 3,900,687,855.75 = 3,900,687,855.75 : x
2. Step 2: Convert to fraction form
   2,891,037,132/3,900,687,855.75 = 3,900,687,855.75/x
3. Step 3: Cross multiply
   2,891,037,132x = 3,900,687,855.75 × 3,900,687,855.75
4. Step 4: Simplify right side
   2,891,037,132x = 15,215,365,747,995,533,312
5. Step 5: Solve for x
   x = 15,215,365,747,995,533,312/2,891,037,132
6. Step 6: Final answer
   x = 5,262,943,730.32