Finding the Third Proportional to 2,621,830,858 and 5,617,629,732

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621,830,858 : 5,617,629,732 = 5,617,629,732 : x
2. Step 2: Convert to fraction form
   2,621,830,858/5,617,629,732 = 5,617,629,732/x
3. Step 3: Cross multiply
   2,621,830,858x = 5,617,629,732 × 5,617,629,732
4. Step 4: Simplify right side
   2,621,830,858x = 31,557,763,805,850,390,528
5. Step 5: Solve for x
   x = 31,557,763,805,850,390,528/2,621,830,858
6. Step 6: Final answer
   x = 12,036,536,876.34