Finding the Third Proportional to 890,184 and 1,979,388

Step by Step Solution

1. Step 1: Write the proportion equation
   890,184 : 1,979,388 = 1,979,388 : x
2. Step 2: Convert to fraction form
   890,184/1,979,388 = 1,979,388/x
3. Step 3: Cross multiply
   890,184x = 1,979,388 × 1,979,388
4. Step 4: Simplify right side
   890,184x = 3,917,976,854,544
5. Step 5: Solve for x
   x = 3,917,976,854,544/890,184
6. Step 6: Final answer
   x = 4,401,311.25