Finding the Third Proportional to 120,931.88 and 282,395.25

Step by Step Solution

1. Step 1: Write the proportion equation
   120,931.88 : 282,395.25 = 282,395.25 : x
2. Step 2: Convert to fraction form
   120,931.88/282,395.25 = 282,395.25/x
3. Step 3: Cross multiply
   120,931.88x = 282,395.25 × 282,395.25
4. Step 4: Simplify right side
   120,931.88x = 79,747,077,222.56
5. Step 5: Solve for x
   x = 79,747,077,222.56/120,931.88
6. Step 6: Final answer
   x = 659,438.03