Finding the Third Proportional to 19,993,741,490 and 41,642,353,156

Step by Step Solution

1. Step 1: Write the proportion equation
   19,993,741,490 : 41,642,353,156 = 41,642,353,156 : x
2. Step 2: Convert to fraction form
   19,993,741,490/41,642,353,156 = 41,642,353,156/x
3. Step 3: Cross multiply
   19,993,741,490x = 41,642,353,156 × 41,642,353,156
4. Step 4: Simplify right side
   19,993,741,490x = 1,734,085,576,369,023,221,760
5. Step 5: Solve for x
   x = 1,734,085,576,369,023,221,760/19,993,741,490
6. Step 6: Final answer
   x = 86,731,419,291.20