Finding the Third Proportional to 1,178,190 and 1,813,212

Step by Step Solution

1. Step 1: Write the proportion equation
   1,178,190 : 1,813,212 = 1,813,212 : x
2. Step 2: Convert to fraction form
   1,178,190/1,813,212 = 1,813,212/x
3. Step 3: Cross multiply
   1,178,190x = 1,813,212 × 1,813,212
4. Step 4: Simplify right side
   1,178,190x = 3,287,737,756,944
5. Step 5: Solve for x
   x = 3,287,737,756,944/1,178,190
6. Step 6: Final answer
   x = 2,790,498.78