Finding the Third Proportional to 80,280.75 and 123,444

Step by Step Solution

1. Step 1: Write the proportion equation
   80,280.75 : 123,444 = 123,444 : x
2. Step 2: Convert to fraction form
   80,280.75/123,444 = 123,444/x
3. Step 3: Cross multiply
   80,280.75x = 123,444 × 123,444
4. Step 4: Simplify right side
   80,280.75x = 15,238,421,136
5. Step 5: Solve for x
   x = 15,238,421,136/80,280.75
6. Step 6: Final answer
   x = 189,814.14