Finding the Third Proportional to 1,722,282 and 3,707,820

Step by Step Solution

1. Step 1: Write the proportion equation
   1,722,282 : 3,707,820 = 3,707,820 : x
2. Step 2: Convert to fraction form
   1,722,282/3,707,820 = 3,707,820/x
3. Step 3: Cross multiply
   1,722,282x = 3,707,820 × 3,707,820
4. Step 4: Simplify right side
   1,722,282x = 13,747,929,152,400
5. Step 5: Solve for x
   x = 13,747,929,152,400/1,722,282
6. Step 6: Final answer
   x = 7,982,391.47