Finding the Third Proportional to 261,829.50 and 565,446

Step by Step Solution

1. Step 1: Write the proportion equation
   261,829.50 : 565,446 = 565,446 : x
2. Step 2: Convert to fraction form
   261,829.50/565,446 = 565,446/x
3. Step 3: Cross multiply
   261,829.50x = 565,446 × 565,446
4. Step 4: Simplify right side
   261,829.50x = 319,729,178,916
5. Step 5: Solve for x
   x = 319,729,178,916/261,829.50
6. Step 6: Final answer
   x = 1,221,135.05