Finding the Third Proportional to 1,821,888 and 2,718,108

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821,888 : 2,718,108 = 2,718,108 : x
2. Step 2: Convert to fraction form
   1,821,888/2,718,108 = 2,718,108/x
3. Step 3: Cross multiply
   1,821,888x = 2,718,108 × 2,718,108
4. Step 4: Simplify right side
   1,821,888x = 7,388,111,099,664
5. Step 5: Solve for x
   x = 7,388,111,099,664/1,821,888
6. Step 6: Final answer
   x = 4,055,195.00