Finding the Third Proportional to 1,969,589 and 4,284,270

Step by Step Solution

1. Step 1: Write the proportion equation
   1,969,589 : 4,284,270 = 4,284,270 : x
2. Step 2: Convert to fraction form
   1,969,589/4,284,270 = 4,284,270/x
3. Step 3: Cross multiply
   1,969,589x = 4,284,270 × 4,284,270
4. Step 4: Simplify right side
   1,969,589x = 18,354,969,432,900
5. Step 5: Solve for x
   x = 18,354,969,432,900/1,969,589
6. Step 6: Final answer
   x = 9,319,187.62