Finding the Third Proportional to 249,911 and 544,191.50

Step by Step Solution

1. Step 1: Write the proportion equation
   249,911 : 544,191.50 = 544,191.50 : x
2. Step 2: Convert to fraction form
   249,911/544,191.50 = 544,191.50/x
3. Step 3: Cross multiply
   249,911x = 544,191.50 × 544,191.50
4. Step 4: Simplify right side
   249,911x = 296,144,388,672.25
5. Step 5: Solve for x
   x = 296,144,388,672.25/249,911
6. Step 6: Final answer
   x = 1,184,999.41