Finding the Third Proportional to 2,540,514,067.50 and 5,289,806,566.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,514,067.50 : 5,289,806,566.50 = 5,289,806,566.50 : x
2. Step 2: Convert to fraction form
   2,540,514,067.50/5,289,806,566.50 = 5,289,806,566.50/x
3. Step 3: Cross multiply
   2,540,514,067.50x = 5,289,806,566.50 × 5,289,806,566.50
4. Step 4: Simplify right side
   2,540,514,067.50x = 27,982,053,510,986,518,528
5. Step 5: Solve for x
   x = 27,982,053,510,986,518,528/2,540,514,067.50
6. Step 6: Final answer
   x = 11,014,327,324.12