Finding the Third Proportional to 249,697.50 and 550,296

Step by Step Solution

1. Step 1: Write the proportion equation
   249,697.50 : 550,296 = 550,296 : x
2. Step 2: Convert to fraction form
   249,697.50/550,296 = 550,296/x
3. Step 3: Cross multiply
   249,697.50x = 550,296 × 550,296
4. Step 4: Simplify right side
   249,697.50x = 302,825,687,616
5. Step 5: Solve for x
   x = 302,825,687,616/249,697.50
6. Step 6: Final answer
   x = 1,212,770.20