Finding the Third Proportional to 3,639,335 and 7,789,895

Step by Step Solution

1. Step 1: Write the proportion equation
   3,639,335 : 7,789,895 = 7,789,895 : x
2. Step 2: Convert to fraction form
   3,639,335/7,789,895 = 7,789,895/x
3. Step 3: Cross multiply
   3,639,335x = 7,789,895 × 7,789,895
4. Step 4: Simplify right side
   3,639,335x = 60,682,464,111,025
5. Step 5: Solve for x
   x = 60,682,464,111,025/3,639,335
6. Step 6: Final answer
   x = 16,674,052.85