Finding the Third Proportional to 890,632 and 1,868,744

Step by Step Solution

1. Step 1: Write the proportion equation
   890,632 : 1,868,744 = 1,868,744 : x
2. Step 2: Convert to fraction form
   890,632/1,868,744 = 1,868,744/x
3. Step 3: Cross multiply
   890,632x = 1,868,744 × 1,868,744
4. Step 4: Simplify right side
   890,632x = 3,492,204,137,536
5. Step 5: Solve for x
   x = 3,492,204,137,536/890,632
6. Step 6: Final answer
   x = 3,921,040.49