Finding the Third Proportional to 2,091,589 and 4,434,320

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091,589 : 4,434,320 = 4,434,320 : x
2. Step 2: Convert to fraction form
   2,091,589/4,434,320 = 4,434,320/x
3. Step 3: Cross multiply
   2,091,589x = 4,434,320 × 4,434,320
4. Step 4: Simplify right side
   2,091,589x = 19,663,193,862,400
5. Step 5: Solve for x
   x = 19,663,193,862,400/2,091,589
6. Step 6: Final answer
   x = 9,401,079.21