Finding the Third Proportional to 1,190,439 and 1,788,372

Step by Step Solution

1. Step 1: Write the proportion equation
   1,190,439 : 1,788,372 = 1,788,372 : x
2. Step 2: Convert to fraction form
   1,190,439/1,788,372 = 1,788,372/x
3. Step 3: Cross multiply
   1,190,439x = 1,788,372 × 1,788,372
4. Step 4: Simplify right side
   1,190,439x = 3,198,274,410,384
5. Step 5: Solve for x
   x = 3,198,274,410,384/1,190,439
6. Step 6: Final answer
   x = 2,686,634.44