Finding the Third Proportional to 1,855,323 and 3,991,116

Step by Step Solution

1. Step 1: Write the proportion equation
   1,855,323 : 3,991,116 = 3,991,116 : x
2. Step 2: Convert to fraction form
   1,855,323/3,991,116 = 3,991,116/x
3. Step 3: Cross multiply
   1,855,323x = 3,991,116 × 3,991,116
4. Step 4: Simplify right side
   1,855,323x = 15,929,006,925,456
5. Step 5: Solve for x
   x = 15,929,006,925,456/1,855,323
6. Step 6: Final answer
   x = 8,585,570.77