Finding the Third Proportional to 12,796,620,462 and 27,820,561,116.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,796,620,462 : 27,820,561,116.75 = 27,820,561,116.75 : x
2. Step 2: Convert to fraction form
   12,796,620,462/27,820,561,116.75 = 27,820,561,116.75/x
3. Step 3: Cross multiply
   12,796,620,462x = 27,820,561,116.75 × 27,820,561,116.75
4. Step 4: Simplify right side
   12,796,620,462x = 773,983,620,850,822,021,120
5. Step 5: Solve for x
   x = 773,983,620,850,822,021,120/12,796,620,462
6. Step 6: Final answer
   x = 60,483,439,604.17