Finding the Third Proportional to 856,728 and 1,904,940

Step by Step Solution

1. Step 1: Write the proportion equation
   856,728 : 1,904,940 = 1,904,940 : x
2. Step 2: Convert to fraction form
   856,728/1,904,940 = 1,904,940/x
3. Step 3: Cross multiply
   856,728x = 1,904,940 × 1,904,940
4. Step 4: Simplify right side
   856,728x = 3,628,796,403,600
5. Step 5: Solve for x
   x = 3,628,796,403,600/856,728
6. Step 6: Final answer
   x = 4,235,645.86