Finding the Third Proportional to 1,397,915 and 3,057,500

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,915 : 3,057,500 = 3,057,500 : x
2. Step 2: Convert to fraction form
   1,397,915/3,057,500 = 3,057,500/x
3. Step 3: Cross multiply
   1,397,915x = 3,057,500 × 3,057,500
4. Step 4: Simplify right side
   1,397,915x = 9,348,306,250,000
5. Step 5: Solve for x
   x = 9,348,306,250,000/1,397,915
6. Step 6: Final answer
   x = 6,687,320.94