Finding the Third Proportional to 1,491,720 and 2,209,604

Step by Step Solution

1. Step 1: Write the proportion equation
   1,491,720 : 2,209,604 = 2,209,604 : x
2. Step 2: Convert to fraction form
   1,491,720/2,209,604 = 2,209,604/x
3. Step 3: Cross multiply
   1,491,720x = 2,209,604 × 2,209,604
4. Step 4: Simplify right side
   1,491,720x = 4,882,349,836,816
5. Step 5: Solve for x
   x = 4,882,349,836,816/1,491,720
6. Step 6: Final answer
   x = 3,272,966.67