Finding the Third Proportional to 260,080.50 and 567,789

Step by Step Solution

1. Step 1: Write the proportion equation
   260,080.50 : 567,789 = 567,789 : x
2. Step 2: Convert to fraction form
   260,080.50/567,789 = 567,789/x
3. Step 3: Cross multiply
   260,080.50x = 567,789 × 567,789
4. Step 4: Simplify right side
   260,080.50x = 322,384,348,521
5. Step 5: Solve for x
   x = 322,384,348,521/260,080.50
6. Step 6: Final answer
   x = 1,239,556.02