Finding the Third Proportional to 603,820 and 1,233,857

Step by Step Solution

1. Step 1: Write the proportion equation
   603,820 : 1,233,857 = 1,233,857 : x
2. Step 2: Convert to fraction form
   603,820/1,233,857 = 1,233,857/x
3. Step 3: Cross multiply
   603,820x = 1,233,857 × 1,233,857
4. Step 4: Simplify right side
   603,820x = 1,522,403,096,449
5. Step 5: Solve for x
   x = 1,522,403,096,449/603,820
6. Step 6: Final answer
   x = 2,521,286.30