Finding the Third Proportional to 904,365 and 1,399,695

Step by Step Solution

1. Step 1: Write the proportion equation
   904,365 : 1,399,695 = 1,399,695 : x
2. Step 2: Convert to fraction form
   904,365/1,399,695 = 1,399,695/x
3. Step 3: Cross multiply
   904,365x = 1,399,695 × 1,399,695
4. Step 4: Simplify right side
   904,365x = 1,959,146,093,025
5. Step 5: Solve for x
   x = 1,959,146,093,025/904,365
6. Step 6: Final answer
   x = 2,166,322.33