Finding the Third Proportional to 288,300.50 and 619,227

Step by Step Solution

1. Step 1: Write the proportion equation
   288,300.50 : 619,227 = 619,227 : x
2. Step 2: Convert to fraction form
   288,300.50/619,227 = 619,227/x
3. Step 3: Cross multiply
   288,300.50x = 619,227 × 619,227
4. Step 4: Simplify right side
   288,300.50x = 383,442,077,529
5. Step 5: Solve for x
   x = 383,442,077,529/288,300.50
6. Step 6: Final answer
   x = 1,330,008.37