Finding the Third Proportional to 928,086 and 1,965,990

Step by Step Solution

1. Step 1: Write the proportion equation
   928,086 : 1,965,990 = 1,965,990 : x
2. Step 2: Convert to fraction form
   928,086/1,965,990 = 1,965,990/x
3. Step 3: Cross multiply
   928,086x = 1,965,990 × 1,965,990
4. Step 4: Simplify right side
   928,086x = 3,865,116,680,100
5. Step 5: Solve for x
   x = 3,865,116,680,100/928,086
6. Step 6: Final answer
   x = 4,164,610.48