Finding the Third Proportional to 2,031,218 and 4,325,620

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031,218 : 4,325,620 = 4,325,620 : x
2. Step 2: Convert to fraction form
   2,031,218/4,325,620 = 4,325,620/x
3. Step 3: Cross multiply
   2,031,218x = 4,325,620 × 4,325,620
4. Step 4: Simplify right side
   2,031,218x = 18,710,988,384,400
5. Step 5: Solve for x
   x = 18,710,988,384,400/2,031,218
6. Step 6: Final answer
   x = 9,211,708.63