Finding the Third Proportional to 1,806,868 and 2,642,318

Step by Step Solution

1. Step 1: Write the proportion equation
   1,806,868 : 2,642,318 = 2,642,318 : x
2. Step 2: Convert to fraction form
   1,806,868/2,642,318 = 2,642,318/x
3. Step 3: Cross multiply
   1,806,868x = 2,642,318 × 2,642,318
4. Step 4: Simplify right side
   1,806,868x = 6,981,844,413,124
5. Step 5: Solve for x
   x = 6,981,844,413,124/1,806,868
6. Step 6: Final answer
   x = 3,864,058.92