Finding the Third Proportional to 223,830 and 480,789

Step by Step Solution

1. Step 1: Write the proportion equation
   223,830 : 480,789 = 480,789 : x
2. Step 2: Convert to fraction form
   223,830/480,789 = 480,789/x
3. Step 3: Cross multiply
   223,830x = 480,789 × 480,789
4. Step 4: Simplify right side
   223,830x = 231,158,062,521
5. Step 5: Solve for x
   x = 231,158,062,521/223,830
6. Step 6: Final answer
   x = 1,032,739.41