Finding the Third Proportional to 457,710.75 and 996,789

Step by Step Solution

1. Step 1: Write the proportion equation
   457,710.75 : 996,789 = 996,789 : x
2. Step 2: Convert to fraction form
   457,710.75/996,789 = 996,789/x
3. Step 3: Cross multiply
   457,710.75x = 996,789 × 996,789
4. Step 4: Simplify right side
   457,710.75x = 993,588,310,521
5. Step 5: Solve for x
   x = 993,588,310,521/457,710.75
6. Step 6: Final answer
   x = 2,170,777.75