Finding the Third Proportional to 1,791,821 and 3,898,569

Step by Step Solution

1. Step 1: Write the proportion equation
   1,791,821 : 3,898,569 = 3,898,569 : x
2. Step 2: Convert to fraction form
   1,791,821/3,898,569 = 3,898,569/x
3. Step 3: Cross multiply
   1,791,821x = 3,898,569 × 3,898,569
4. Step 4: Simplify right side
   1,791,821x = 15,198,840,247,761
5. Step 5: Solve for x
   x = 15,198,840,247,761/1,791,821
6. Step 6: Final answer
   x = 8,482,342.96