Finding the Third Proportional to 1,428,916 and 3,082,180

Step by Step Solution

1. Step 1: Write the proportion equation
   1,428,916 : 3,082,180 = 3,082,180 : x
2. Step 2: Convert to fraction form
   1,428,916/3,082,180 = 3,082,180/x
3. Step 3: Cross multiply
   1,428,916x = 3,082,180 × 3,082,180
4. Step 4: Simplify right side
   1,428,916x = 9,499,833,552,400
5. Step 5: Solve for x
   x = 9,499,833,552,400/1,428,916
6. Step 6: Final answer
   x = 6,648,279.92