Finding the Third Proportional to 2,143,546,406 and 4,643,283,892

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,546,406 : 4,643,283,892 = 4,643,283,892 : x
2. Step 2: Convert to fraction form
   2,143,546,406/4,643,283,892 = 4,643,283,892/x
3. Step 3: Cross multiply
   2,143,546,406x = 4,643,283,892 × 4,643,283,892
4. Step 4: Simplify right side
   2,143,546,406x = 21,560,085,301,706,665,984
5. Step 5: Solve for x
   x = 21,560,085,301,706,665,984/2,143,546,406
6. Step 6: Final answer
   x = 10,058,137,879.06