Finding the Third Proportional to 616,918 and 1,428,034

Step by Step Solution

1. Step 1: Write the proportion equation
   616,918 : 1,428,034 = 1,428,034 : x
2. Step 2: Convert to fraction form
   616,918/1,428,034 = 1,428,034/x
3. Step 3: Cross multiply
   616,918x = 1,428,034 × 1,428,034
4. Step 4: Simplify right side
   616,918x = 2,039,281,105,156
5. Step 5: Solve for x
   x = 2,039,281,105,156/616,918
6. Step 6: Final answer
   x = 3,305,595.08