Finding the Third Proportional to 904,398 and 1,439,628

Step by Step Solution

1. Step 1: Write the proportion equation
   904,398 : 1,439,628 = 1,439,628 : x
2. Step 2: Convert to fraction form
   904,398/1,439,628 = 1,439,628/x
3. Step 3: Cross multiply
   904,398x = 1,439,628 × 1,439,628
4. Step 4: Simplify right side
   904,398x = 2,072,528,778,384
5. Step 5: Solve for x
   x = 2,072,528,778,384/904,398
6. Step 6: Final answer
   x = 2,291,611.41