Finding the Third Proportional to 2,891,037,134 and 3,900,687,862

Step by Step Solution

1. Step 1: Write the proportion equation
   2,891,037,134 : 3,900,687,862 = 3,900,687,862 : x
2. Step 2: Convert to fraction form
   2,891,037,134/3,900,687,862 = 3,900,687,862/x
3. Step 3: Cross multiply
   2,891,037,134x = 3,900,687,862 × 3,900,687,862
4. Step 4: Simplify right side
   2,891,037,134x = 15,215,365,796,754,130,944
5. Step 5: Solve for x
   x = 15,215,365,796,754,130,944/2,891,037,134
6. Step 6: Final answer
   x = 5,262,943,743.55