Finding the Third Proportional to 280,900.82 and 619,063.03

Step by Step Solution

1. Step 1: Write the proportion equation
   280,900.82 : 619,063.03 = 619,063.03 : x
2. Step 2: Convert to fraction form
   280,900.82/619,063.03 = 619,063.03/x
3. Step 3: Cross multiply
   280,900.82x = 619,063.03 × 619,063.03
4. Step 4: Simplify right side
   280,900.82x = 383,239,031,219.43
5. Step 5: Solve for x
   x = 383,239,031,219.43/280,900.82
6. Step 6: Final answer
   x = 1,364,321.50