Finding the Third Proportional to 656,529 and 1,428,087

Step by Step Solution

1. Step 1: Write the proportion equation
   656,529 : 1,428,087 = 1,428,087 : x
2. Step 2: Convert to fraction form
   656,529/1,428,087 = 1,428,087/x
3. Step 3: Cross multiply
   656,529x = 1,428,087 × 1,428,087
4. Step 4: Simplify right side
   656,529x = 2,039,432,479,569
5. Step 5: Solve for x
   x = 2,039,432,479,569/656,529
6. Step 6: Final answer
   x = 3,106,385.98