Finding the Third Proportional to 1,214,190 and 1,781,919

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,190 : 1,781,919 = 1,781,919 : x
2. Step 2: Convert to fraction form
   1,214,190/1,781,919 = 1,781,919/x
3. Step 3: Cross multiply
   1,214,190x = 1,781,919 × 1,781,919
4. Step 4: Simplify right side
   1,214,190x = 3,175,235,322,561
5. Step 5: Solve for x
   x = 3,175,235,322,561/1,214,190
6. Step 6: Final answer
   x = 2,615,105.81