Finding the Third Proportional to 2,429,620,499 and 3,628,509,631

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429,620,499 : 3,628,509,631 = 3,628,509,631 : x
2. Step 2: Convert to fraction form
   2,429,620,499/3,628,509,631 = 3,628,509,631/x
3. Step 3: Cross multiply
   2,429,620,499x = 3,628,509,631 × 3,628,509,631
4. Step 4: Simplify right side
   2,429,620,499x = 13,166,082,142,259,757,056
5. Step 5: Solve for x
   x = 13,166,082,142,259,757,056/2,429,620,499
6. Step 6: Final answer
   x = 5,418,987,100.12