Finding the Third Proportional to 873,354 and 1,909,116

Step by Step Solution

1. Step 1: Write the proportion equation
   873,354 : 1,909,116 = 1,909,116 : x
2. Step 2: Convert to fraction form
   873,354/1,909,116 = 1,909,116/x
3. Step 3: Cross multiply
   873,354x = 1,909,116 × 1,909,116
4. Step 4: Simplify right side
   873,354x = 3,644,723,901,456
5. Step 5: Solve for x
   x = 3,644,723,901,456/873,354
6. Step 6: Final answer
   x = 4,173,249.22