Finding the Third Proportional to 911,142 and 1,993,896

Step by Step Solution

1. Step 1: Write the proportion equation
   911,142 : 1,993,896 = 1,993,896 : x
2. Step 2: Convert to fraction form
   911,142/1,993,896 = 1,993,896/x
3. Step 3: Cross multiply
   911,142x = 1,993,896 × 1,993,896
4. Step 4: Simplify right side
   911,142x = 3,975,621,258,816
5. Step 5: Solve for x
   x = 3,975,621,258,816/911,142
6. Step 6: Final answer
   x = 4,363,338.82