Finding the Third Proportional to 2,628,428,517 and 5,655,506,753

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628,428,517 : 5,655,506,753 = 5,655,506,753 : x
2. Step 2: Convert to fraction form
   2,628,428,517/5,655,506,753 = 5,655,506,753/x
3. Step 3: Cross multiply
   2,628,428,517x = 5,655,506,753 × 5,655,506,753
4. Step 4: Simplify right side
   2,628,428,517x = 31,984,756,633,228,603,392
5. Step 5: Solve for x
   x = 31,984,756,633,228,603,392/2,628,428,517
6. Step 6: Final answer
   x = 12,168,775,535.02