Finding the Third Proportional to 275,597.50 and 590,561

Step by Step Solution

1. Step 1: Write the proportion equation
   275,597.50 : 590,561 = 590,561 : x
2. Step 2: Convert to fraction form
   275,597.50/590,561 = 590,561/x
3. Step 3: Cross multiply
   275,597.50x = 590,561 × 590,561
4. Step 4: Simplify right side
   275,597.50x = 348,762,294,721
5. Step 5: Solve for x
   x = 348,762,294,721/275,597.50
6. Step 6: Final answer
   x = 1,265,476.99