Finding the Third Proportional to 4,403,434 and 9,108,932

Step by Step Solution

1. Step 1: Write the proportion equation
   4,403,434 : 9,108,932 = 9,108,932 : x
2. Step 2: Convert to fraction form
   4,403,434/9,108,932 = 9,108,932/x
3. Step 3: Cross multiply
   4,403,434x = 9,108,932 × 9,108,932
4. Step 4: Simplify right side
   4,403,434x = 82,972,642,180,624
5. Step 5: Solve for x
   x = 82,972,642,180,624/4,403,434
6. Step 6: Final answer
   x = 18,842,712.80