Finding the Third Proportional to 616,898 and 1,428,015

Step by Step Solution

1. Step 1: Write the proportion equation
   616,898 : 1,428,015 = 1,428,015 : x
2. Step 2: Convert to fraction form
   616,898/1,428,015 = 1,428,015/x
3. Step 3: Cross multiply
   616,898x = 1,428,015 × 1,428,015
4. Step 4: Simplify right side
   616,898x = 2,039,226,840,225
5. Step 5: Solve for x
   x = 2,039,226,840,225/616,898
6. Step 6: Final answer
   x = 3,305,614.28