Finding the Third Proportional to 1,428,228 and 1,958,436

Step by Step Solution

1. Step 1: Write the proportion equation
   1,428,228 : 1,958,436 = 1,958,436 : x
2. Step 2: Convert to fraction form
   1,428,228/1,958,436 = 1,958,436/x
3. Step 3: Cross multiply
   1,428,228x = 1,958,436 × 1,958,436
4. Step 4: Simplify right side
   1,428,228x = 3,835,471,566,096
5. Step 5: Solve for x
   x = 3,835,471,566,096/1,428,228
6. Step 6: Final answer
   x = 2,685,475.68