Finding the Third Proportional to 2,579,699,889 and 5,267,677,986

Step by Step Solution

1. Step 1: Write the proportion equation
   2,579,699,889 : 5,267,677,986 = 5,267,677,986 : x
2. Step 2: Convert to fraction form
   2,579,699,889/5,267,677,986 = 5,267,677,986/x
3. Step 3: Cross multiply
   2,579,699,889x = 5,267,677,986 × 5,267,677,986
4. Step 4: Simplify right side
   2,579,699,889x = 27,748,431,364,189,016,064
5. Step 5: Solve for x
   x = 27,748,431,364,189,016,064/2,579,699,889
6. Step 6: Final answer
   x = 10,756,457,168.72