Finding the Third Proportional to 1,204,520 and 1,605,836

Step by Step Solution

1. Step 1: Write the proportion equation
   1,204,520 : 1,605,836 = 1,605,836 : x
2. Step 2: Convert to fraction form
   1,204,520/1,605,836 = 1,605,836/x
3. Step 3: Cross multiply
   1,204,520x = 1,605,836 × 1,605,836
4. Step 4: Simplify right side
   1,204,520x = 2,578,709,258,896
5. Step 5: Solve for x
   x = 2,578,709,258,896/1,204,520
6. Step 6: Final answer
   x = 2,140,860.47