Finding the Third Proportional to 821,760 and 1,708,032

Step by Step Solution

1. Step 1: Write the proportion equation
   821,760 : 1,708,032 = 1,708,032 : x
2. Step 2: Convert to fraction form
   821,760/1,708,032 = 1,708,032/x
3. Step 3: Cross multiply
   821,760x = 1,708,032 × 1,708,032
4. Step 4: Simplify right side
   821,760x = 2,917,373,313,024
5. Step 5: Solve for x
   x = 2,917,373,313,024/821,760
6. Step 6: Final answer
   x = 3,550,152.49