Finding the Third Proportional to 120,039 and 193,360.50

Step by Step Solution

1. Step 1: Write the proportion equation
   120,039 : 193,360.50 = 193,360.50 : x
2. Step 2: Convert to fraction form
   120,039/193,360.50 = 193,360.50/x
3. Step 3: Cross multiply
   120,039x = 193,360.50 × 193,360.50
4. Step 4: Simplify right side
   120,039x = 37,388,282,960.25
5. Step 5: Solve for x
   x = 37,388,282,960.25/120,039
6. Step 6: Final answer
   x = 311,467.80