Finding the Third Proportional to 1,328,784 and 2,061,459

Step by Step Solution

1. Step 1: Write the proportion equation
   1,328,784 : 2,061,459 = 2,061,459 : x
2. Step 2: Convert to fraction form
   1,328,784/2,061,459 = 2,061,459/x
3. Step 3: Cross multiply
   1,328,784x = 2,061,459 × 2,061,459
4. Step 4: Simplify right side
   1,328,784x = 4,249,613,208,681
5. Step 5: Solve for x
   x = 4,249,613,208,681/1,328,784
6. Step 6: Final answer
   x = 3,198,121.90