Finding the Third Proportional to 1,298,520 and 1,940,512

Step by Step Solution

1. Step 1: Write the proportion equation
   1,298,520 : 1,940,512 = 1,940,512 : x
2. Step 2: Convert to fraction form
   1,298,520/1,940,512 = 1,940,512/x
3. Step 3: Cross multiply
   1,298,520x = 1,940,512 × 1,940,512
4. Step 4: Simplify right side
   1,298,520x = 3,765,586,822,144
5. Step 5: Solve for x
   x = 3,765,586,822,144/1,298,520
6. Step 6: Final answer
   x = 2,899,906.68