Finding the Third Proportional to 80,519,839,753 and 120,081,500,821

Step by Step Solution

1. Step 1: Write the proportion equation
   80,519,839,753 : 120,081,500,821 = 120,081,500,821 : x
2. Step 2: Convert to fraction form
   80,519,839,753/120,081,500,821 = 120,081,500,821/x
3. Step 3: Cross multiply
   80,519,839,753x = 120,081,500,821 × 120,081,500,821
4. Step 4: Simplify right side
   80,519,839,753x = 14,419,566,839,423,823,773,696
5. Step 5: Solve for x
   x = 14,419,566,839,423,823,773,696/80,519,839,753
6. Step 6: Final answer
   x = 179,080,918,238.99