Finding the Third Proportional to 123,158.75 and 185,619

Step by Step Solution

1. Step 1: Write the proportion equation
   123,158.75 : 185,619 = 185,619 : x
2. Step 2: Convert to fraction form
   123,158.75/185,619 = 185,619/x
3. Step 3: Cross multiply
   123,158.75x = 185,619 × 185,619
4. Step 4: Simplify right side
   123,158.75x = 34,454,413,161
5. Step 5: Solve for x
   x = 34,454,413,161/123,158.75
6. Step 6: Final answer
   x = 279,756.11