Finding the Third Proportional to 1,780,161 and 3,923,365

Step by Step Solution

1. Step 1: Write the proportion equation
   1,780,161 : 3,923,365 = 3,923,365 : x
2. Step 2: Convert to fraction form
   1,780,161/3,923,365 = 3,923,365/x
3. Step 3: Cross multiply
   1,780,161x = 3,923,365 × 3,923,365
4. Step 4: Simplify right side
   1,780,161x = 15,392,792,923,225
5. Step 5: Solve for x
   x = 15,392,792,923,225/1,780,161
6. Step 6: Final answer
   x = 8,646,854.37