Finding the Third Proportional to 2,687,268,858 and 5,891,098,368

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687,268,858 : 5,891,098,368 = 5,891,098,368 : x
2. Step 2: Convert to fraction form
   2,687,268,858/5,891,098,368 = 5,891,098,368/x
3. Step 3: Cross multiply
   2,687,268,858x = 5,891,098,368 × 5,891,098,368
4. Step 4: Simplify right side
   2,687,268,858x = 34,705,039,981,452,263,424
5. Step 5: Solve for x
   x = 34,705,039,981,452,263,424/2,687,268,858
6. Step 6: Final answer
   x = 12,914,613,987.41