Finding the Third Proportional to 1,176,788 and 1,818,390

Step by Step Solution

1. Step 1: Write the proportion equation
   1,176,788 : 1,818,390 = 1,818,390 : x
2. Step 2: Convert to fraction form
   1,176,788/1,818,390 = 1,818,390/x
3. Step 3: Cross multiply
   1,176,788x = 1,818,390 × 1,818,390
4. Step 4: Simplify right side
   1,176,788x = 3,306,542,192,100
5. Step 5: Solve for x
   x = 3,306,542,192,100/1,176,788
6. Step 6: Final answer
   x = 2,809,802.78