Finding the Third Proportional to 890,354 and 1,920,676

Step by Step Solution

1. Step 1: Write the proportion equation
   890,354 : 1,920,676 = 1,920,676 : x
2. Step 2: Convert to fraction form
   890,354/1,920,676 = 1,920,676/x
3. Step 3: Cross multiply
   890,354x = 1,920,676 × 1,920,676
4. Step 4: Simplify right side
   890,354x = 3,688,996,296,976
5. Step 5: Solve for x
   x = 3,688,996,296,976/890,354
6. Step 6: Final answer
   x = 4,143,291.65