Finding the Third Proportional to 829,904 and 1,820,512

Step by Step Solution

1. Step 1: Write the proportion equation
   829,904 : 1,820,512 = 1,820,512 : x
2. Step 2: Convert to fraction form
   829,904/1,820,512 = 1,820,512/x
3. Step 3: Cross multiply
   829,904x = 1,820,512 × 1,820,512
4. Step 4: Simplify right side
   829,904x = 3,314,263,942,144
5. Step 5: Solve for x
   x = 3,314,263,942,144/829,904
6. Step 6: Final answer
   x = 3,993,550.99