Finding the Third Proportional to 428,922 and 928,455.75

Step by Step Solution

1. Step 1: Write the proportion equation
   428,922 : 928,455.75 = 928,455.75 : x
2. Step 2: Convert to fraction form
   428,922/928,455.75 = 928,455.75/x
3. Step 3: Cross multiply
   428,922x = 928,455.75 × 928,455.75
4. Step 4: Simplify right side
   428,922x = 862,030,079,708.06
5. Step 5: Solve for x
   x = 862,030,079,708.06/428,922
6. Step 6: Final answer
   x = 2,009,759.54