Finding the Third Proportional to 1,318,800 and 2,055,243

Step by Step Solution

1. Step 1: Write the proportion equation
   1,318,800 : 2,055,243 = 2,055,243 : x
2. Step 2: Convert to fraction form
   1,318,800/2,055,243 = 2,055,243/x
3. Step 3: Cross multiply
   1,318,800x = 2,055,243 × 2,055,243
4. Step 4: Simplify right side
   1,318,800x = 4,224,023,789,049
5. Step 5: Solve for x
   x = 4,224,023,789,049/1,318,800
6. Step 6: Final answer
   x = 3,202,929.78