Finding the Third Proportional to 1,190,736 and 1,786,320

Step by Step Solution

1. Step 1: Write the proportion equation
   1,190,736 : 1,786,320 = 1,786,320 : x
2. Step 2: Convert to fraction form
   1,190,736/1,786,320 = 1,786,320/x
3. Step 3: Cross multiply
   1,190,736x = 1,786,320 × 1,786,320
4. Step 4: Simplify right side
   1,190,736x = 3,190,939,142,400
5. Step 5: Solve for x
   x = 3,190,939,142,400/1,190,736
6. Step 6: Final answer
   x = 2,679,804.04