Finding the Third Proportional to 856,658 and 1,904,799

Step by Step Solution

1. Step 1: Write the proportion equation
   856,658 : 1,904,799 = 1,904,799 : x
2. Step 2: Convert to fraction form
   856,658/1,904,799 = 1,904,799/x
3. Step 3: Cross multiply
   856,658x = 1,904,799 × 1,904,799
4. Step 4: Simplify right side
   856,658x = 3,628,259,230,401
5. Step 5: Solve for x
   x = 3,628,259,230,401/856,658
6. Step 6: Final answer
   x = 4,235,364.91