Finding the Third Proportional to 248,580 and 541,459.50

Step by Step Solution

1. Step 1: Write the proportion equation
   248,580 : 541,459.50 = 541,459.50 : x
2. Step 2: Convert to fraction form
   248,580/541,459.50 = 541,459.50/x
3. Step 3: Cross multiply
   248,580x = 541,459.50 × 541,459.50
4. Step 4: Simplify right side
   248,580x = 293,178,390,140.25
5. Step 5: Solve for x
   x = 293,178,390,140.25/248,580
6. Step 6: Final answer
   x = 1,179,412.62