Finding the Third Proportional to 918,290 and 1,993,874

Step by Step Solution

1. Step 1: Write the proportion equation
   918,290 : 1,993,874 = 1,993,874 : x
2. Step 2: Convert to fraction form
   918,290/1,993,874 = 1,993,874/x
3. Step 3: Cross multiply
   918,290x = 1,993,874 × 1,993,874
4. Step 4: Simplify right side
   918,290x = 3,975,533,527,876
5. Step 5: Solve for x
   x = 3,975,533,527,876/918,290
6. Step 6: Final answer
   x = 4,329,278.91