Finding the Third Proportional to 4,142,589 and 9,002,242

Step by Step Solution

1. Step 1: Write the proportion equation
   4,142,589 : 9,002,242 = 9,002,242 : x
2. Step 2: Convert to fraction form
   4,142,589/9,002,242 = 9,002,242/x
3. Step 3: Cross multiply
   4,142,589x = 9,002,242 × 9,002,242
4. Step 4: Simplify right side
   4,142,589x = 81,040,361,026,564
5. Step 5: Solve for x
   x = 81,040,361,026,564/4,142,589
6. Step 6: Final answer
   x = 19,562,732.64