Finding the Third Proportional to 2,514,718,062 and 5,290,036,857

Step by Step Solution

1. Step 1: Write the proportion equation
   2,514,718,062 : 5,290,036,857 = 5,290,036,857 : x
2. Step 2: Convert to fraction form
   2,514,718,062/5,290,036,857 = 5,290,036,857/x
3. Step 3: Cross multiply
   2,514,718,062x = 5,290,036,857 × 5,290,036,857
4. Step 4: Simplify right side
   2,514,718,062x = 27,984,489,948,418,437,120
5. Step 5: Solve for x
   x = 27,984,489,948,418,437,120/2,514,718,062
6. Step 6: Final answer
   x = 11,128,281,285.80