Finding the Third Proportional to 1,236,558,522 and 2,666,821,818

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,558,522 : 2,666,821,818 = 2,666,821,818 : x
2. Step 2: Convert to fraction form
   1,236,558,522/2,666,821,818 = 2,666,821,818/x
3. Step 3: Cross multiply
   1,236,558,522x = 2,666,821,818 × 2,666,821,818
4. Step 4: Simplify right side
   1,236,558,522x = 7,111,938,608,960,825,344
5. Step 5: Solve for x
   x = 7,111,938,608,960,825,344/1,236,558,522
6. Step 6: Final answer
   x = 5,751,396,704.99