Finding the Third Proportional to 456,928 and 983,872

Step by Step Solution

1. Step 1: Write the proportion equation
   456,928 : 983,872 = 983,872 : x
2. Step 2: Convert to fraction form
   456,928/983,872 = 983,872/x
3. Step 3: Cross multiply
   456,928x = 983,872 × 983,872
4. Step 4: Simplify right side
   456,928x = 968,004,112,384
5. Step 5: Solve for x
   x = 968,004,112,384/456,928
6. Step 6: Final answer
   x = 2,118,504.69