Finding the Third Proportional to 249,489 and 541,624.50

Step by Step Solution

1. Step 1: Write the proportion equation
   249,489 : 541,624.50 = 541,624.50 : x
2. Step 2: Convert to fraction form
   249,489/541,624.50 = 541,624.50/x
3. Step 3: Cross multiply
   249,489x = 541,624.50 × 541,624.50
4. Step 4: Simplify right side
   249,489x = 293,357,099,000.25
5. Step 5: Solve for x
   x = 293,357,099,000.25/249,489
6. Step 6: Final answer
   x = 1,175,831.80