Finding the Third Proportional to 19,401,656 and 42,247,836

Step by Step Solution

1. Step 1: Write the proportion equation
   19,401,656 : 42,247,836 = 42,247,836 : x
2. Step 2: Convert to fraction form
   19,401,656/42,247,836 = 42,247,836/x
3. Step 3: Cross multiply
   19,401,656x = 42,247,836 × 42,247,836
4. Step 4: Simplify right side
   19,401,656x = 1,784,879,646,682,896
5. Step 5: Solve for x
   x = 1,784,879,646,682,896/19,401,656
6. Step 6: Final answer
   x = 91,996,252.62