Finding the Third Proportional to 7,692,874 and 12,181,469

Step by Step Solution

1. Step 1: Write the proportion equation
   7,692,874 : 12,181,469 = 12,181,469 : x
2. Step 2: Convert to fraction form
   7,692,874/12,181,469 = 12,181,469/x
3. Step 3: Cross multiply
   7,692,874x = 12,181,469 × 12,181,469
4. Step 4: Simplify right side
   7,692,874x = 148,388,186,997,961
5. Step 5: Solve for x
   x = 148,388,186,997,961/7,692,874
6. Step 6: Final answer
   x = 19,289,044.25