Finding the Third Proportional to 890,168 and 1,979,356

Step by Step Solution

1. Step 1: Write the proportion equation
   890,168 : 1,979,356 = 1,979,356 : x
2. Step 2: Convert to fraction form
   890,168/1,979,356 = 1,979,356/x
3. Step 3: Cross multiply
   890,168x = 1,979,356 × 1,979,356
4. Step 4: Simplify right side
   890,168x = 3,917,850,174,736
5. Step 5: Solve for x
   x = 3,917,850,174,736/890,168
6. Step 6: Final answer
   x = 4,401,248.05