Finding the Third Proportional to 1,236,558,642 and 2,666,822,034

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,558,642 : 2,666,822,034 = 2,666,822,034 : x
2. Step 2: Convert to fraction form
   1,236,558,642/2,666,822,034 = 2,666,822,034/x
3. Step 3: Cross multiply
   1,236,558,642x = 2,666,822,034 × 2,666,822,034
4. Step 4: Simplify right side
   1,236,558,642x = 7,111,939,761,027,897,344
5. Step 5: Solve for x
   x = 7,111,939,761,027,897,344/1,236,558,642
6. Step 6: Final answer
   x = 5,751,397,078.53