Finding the Third Proportional to 244,741.50 and 378,189

Step by Step Solution

1. Step 1: Write the proportion equation
   244,741.50 : 378,189 = 378,189 : x
2. Step 2: Convert to fraction form
   244,741.50/378,189 = 378,189/x
3. Step 3: Cross multiply
   244,741.50x = 378,189 × 378,189
4. Step 4: Simplify right side
   244,741.50x = 143,026,919,721
5. Step 5: Solve for x
   x = 143,026,919,721/244,741.50
6. Step 6: Final answer
   x = 584,399.95