Finding the Third Proportional to 889,944 and 1,909,488

Step by Step Solution

1. Step 1: Write the proportion equation
   889,944 : 1,909,488 = 1,909,488 : x
2. Step 2: Convert to fraction form
   889,944/1,909,488 = 1,909,488/x
3. Step 3: Cross multiply
   889,944x = 1,909,488 × 1,909,488
4. Step 4: Simplify right side
   889,944x = 3,646,144,422,144
5. Step 5: Solve for x
   x = 3,646,144,422,144/889,944
6. Step 6: Final answer
   x = 4,097,049.28